1. Large-signal circuit theory for negative resistance diodes, in particular tunnel diodes;Schuller,1961
2. The occurrence of limit cycles in the equations of a tunnel diode circuit;Miranker;IRE Trans, on Circuit Theory,1962
3. Qualitative analysis of a transient process in a tunnel diode trigger;Vaganov,1965
4. Study of the periodic modes in autonomous circuits with nonlinear negative resistance;Lisitskaia,1965
5. Study of an electric circuit with a nonlinear negative resistance, using piecewise-linear approximation;Lisitskaia,1966