Ul'yanova Oksana Vladislavovna

Publications in Math-Net.Ru

1. Method of Upper and Lower Solutions for Parabolic-Type Equations with Discontinuous Nonlinearities
   
   Differ. Uravn., 38:4 (2002),  499–504
2. The method of upper and lower solutions for elliptic-type equations with discontinuous nonlinearities
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1998, no. 11,  69–76