My first publications ...
State Space Realization of 2-D systems via Continued Fraction Expansion
G.E. Antoniou, S.J Varoufakis, P.N. Paraskevopoulos,
IEEE Transactions on Circuits and Systems, Part-1, Vol. CAS-33, No. 9, pp. 926-930, 1986.
Two Dimensional Continued Fraction Inversion
G.E. Antoniou, S.J. Varoufakis, P.N. Paraskevopoulos,
IEEE Transactions on Circuits and Systems, Part-1, Vol. CAS-34, No. 9, pp. 580-582, 1987.
On the Minimal State Space Realization of all-Pole and All-Zero 2-D Systems
S.J. Varoufakis, P.N. Paraskevopoulos,G.E. Antoniou,
IEEE Transactions on Circuits and Systems, Part-1, Vol. CAS-34, No. 3, pp.289-292, 1988.
State Space realization of factorable 2-D Systems
G.E. Antoniou, P.N. Paraskevopoulos, S.J. Varoufakis,
IEEE Transactions on Circuits and Systems, Part-1, Vol. CAS-35, No. 8, pp. 1055-1058, 1988.
Transfer Function Determination of Singular Systems Using the DFT
G.E. Antoniou, G.A.Glentis, S.J.Varoufakis, D.A.Karras,
IEEE Transactions on Circuits and Systems, Part-1, Vol. CAS-36, No. 9, pp. 1140-1142, 1989.
Circuit and State Space Realization of 2-D All-Pass Digital Filters via the Bilinear Transform
S.J. Varoufakis, G.E. Antoniou,
IEEE Trans. Circuits and Systems , Vol. 38, No. 9, pp. 1104-1107, 1991.

Selected Recent Conference Papers
Minimal Circuit and State Space Realization of 2D Al-Pole Systems with Coefficient Symmetry
G.E. Antoniou,
IEEE (Xplore) 18th Mediteranian Conference on Control and Automation, Marrakech, Morocco, 2010
On the 1D and 2D Roger-Ramanujan (Polynomial) Continued Fractions
G. E. Antoniou
Journal of the Circuits, Systems and Computers, Vol. 22, No. 4, pp. 1-13, 2011
On the Minimal Realization of 2D Roger-Ramanujan CFE Systems
G.E. Antoniou
IEEE (Xplore) International Symposium on Signals, Circuits and Systems (ISSCS'2011), Iasi, Romania, 2011.
Realization of 2D Reverse-Lattice Discrete Filters
G.E. Antoniou
IEEE (Xplore) 5th International Symposium on Comm., Control, and Signal Proc., (ISCCSP'2012), Rome, Italy, 2012.
Realization of 4D Lattice Structured Digital Filters
M.T. Kousoulis and G.E. Antoniou
IEEE (Xplore) 4th IEEE Latin-American Symposium on Circuits and Systems (LASCAS'2013), Cusco, Peru, 2013.
4D FIR Digital Filter Realizations
M.T. Kousoulis and G.E. Antoniou
IEEE (Xplore) 5th IEEE Latin-American Symposium on Circuits and Systems (LASCAS'2014), Santiago, Chile, 2014.
Realization of 4D Ladder Structured Digital Filters
M.T. Kousoulis and G.E. Antoniou
IEEE (Xplore) 6th IEEE Latin-American Symposium on Circuits and Systems (LASCAS'2015), Montevideo, Uruguay, 2015.
Realization of 4D Lattice-Ladder Digital Filters
M.T. Kousoulis and G.E. Antoniou
IEEE (Xplore)7th IEEE Latin-American Symposium on Circuits and Systems (LASCAS'2016), Florianopolis, Brazil, 2016.
4D (x@@x) Digital Filters
M.T. Kousoulis and G.E. Antoniou
IEEE (Xplore)8th IEEE Latin-American Symposium on Circuits and Systems (LASCAS'2017), Bariloche, Argentina, 2017.
4D (x@@x) Digital Filters
G.E. Antoniou
IEEE (Xplore) The 30th IEEE Canadian Conference on Electrical and Computer Engineering (CCECE'2017), Winsdor, Canada 2017.
Minimum Multiplier-Delay 4D Digital Filters
G.E. Antoniou
IEEE (Xplore) 9th IEEE Latin-American Symposium on Circuits and Systems (LASCAS'2018), Puerta Valletta, Mexico, 2018.
4D [...] Digital Filters
G.E. Antoniou
IEEE (Xplore) 10th IEEE Latin-American Symposium on Circuits and Systems (LASCAS'2019). 2019.
2D [...] Digital Filters
G.E. Antoniou
IEEE (Xplore) International Symposium on Signals, Circuits and Systems (ISSCS'2019), Iasi, Romania, 2019.

My publications
All my publications can be found in ResearchGate.net