Nullator-Norator Spproach for Diagnosis and Fault Prediction in Analog Circuits. - Elisaveta D. Gadzheva; Lyudmila H. Raykovska (ISCAS, 1994)

Nullator-norator approach to analogue circuit diagnosis using general-purpose analysis programmes. - Samuil L. Farchy; Elisaveta D. Gadzheva; Lyudmila H. Raykovska; Todor G. Kouyoumdjiev (Int. J. Circuit Theory Appl., 1995)