Osechkina T A

Publications in Math-Net.Ru

1. A criterion for the unique solvability of a periodic boundary value problem for a functional-differential equation
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1994, no. 10,  48–52
2. Unique solvability and sign constancy of the Green function of a periodic boundary value problem for a linear equation with deviating argument
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1993, no. 5,  86–94