Karpasyuk V K

Publications in Math-Net.Ru

1. A family of Hill equations with common characteristic exponents
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1979, no. 4,  14–16
2. A certain property of the characteristic exponent of the solution of Hill's equation
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1975, no. 1,  39–40