On linear time-varying system characterizations. - Shervin Erfani; Nima Bayan (EIT, 2009)

A Note of Frequency-domain Characterization of Linear Time-varying Networks. - Shervin Erfani; Nima Bayan (ISCAS, 2009)

Frequency analysis of linear time-varying systems. - Shervin Erfani; Nima Bayan (ICECS, 2010)

Bifrequency characterization of linear time-varying systems: A tutorial with examples. - Shervin Erfani; Majid Ahmadi; Nima Bayan (MWSCAS, 2012)

Bifrequency characterization of linear time-varying systems. - Shervin Erfani; Majid Ahmadi; Nima Bayan (NEWCAS, 2012)

Analysis of linear time-varying circuits by two-dimensional analog filtering. - Shervin Erfani; Majid Ahmadi; Nima Bayan (MWSCAS, 2013)

Characterisation of nonlinear and linear time-varying systems by Laplace transformation. - Shervin Erfani; Nima Bayan (Int. J. Syst. Sci., 2013)

Two-dimensional analog filtering and its implications on circuit theory. - Shervin Erfani; Majid Ahmadi; Nima Bayan (LASCAS, 2014)