Persistence of saddle-node bifurcations for general nonlinear systems under unmodeled dynamics and applications. - Hsiao-Dong Chiang; Lazhar Fekih-Ahmed (ISCAS, 1993)

Simplified treatment of the transconductance linearization problem employing any number of coupled differential pairs. - Lazhar Fekih-Ahmed (Int. J. Circuit Theory Appl., 2020)

Nonlinear analysis of radio-frequency quadrature two-stage ring oscillators. - Lazhar Fekih-Ahmed (Int. J. Circuit Theory Appl., 2021)

A Constructive Methodology of Analog Synthesis of Nonlinear Functions in Subthreshold CMOS. - Lazhar Fekih-Ahmed (J. Circuits Syst. Comput., 2021)

Analysis of Injection Locking in Ring-Based Divide-By-Two Frequency Dividers. - Lazhar Fekih-Ahmed (J. Circuits Syst. Comput., 2022)