On boundary value problems for n -th order functional differential equations with impulses. Domoshnitsky, Alexander; Drakhlin, Michael; Litsyn, Elena — 1997 Memoirs on Differential Equations and Mathematical Physics
Hybrid dynamical systems vs. ordinary differential equations: Examples of "pathological" behavior. Litsyn, Elena; Nepomnyashchikh, Yurii V.; Ponosov, Arcady — 2000 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Efficient criteria for the stabilization of planar linear systems by hybrid feedback controls. Litsyn, Elena; Myasnikova, Marina; Nepomnyashchikh, Yurii; Ponosov, Arcady — 2004 Abstract and Applied Analysis