Fault diagnosis of analog piecewise linear circuits based on homotopy. - Artur Robotycki; Romuald Zielonko (IEEE Trans. Instrum. Meas., 2002)

Fault diagnosis in electronic circuits based on bilinear transformation in 3-D and 4-D spaces. - Zbigniew Czaja; Romuald Zielonko (IEEE Trans. Instrum. Meas., 2003)