Koltyzhenkov V M

Publications in Math-Net.Ru

1. Nonregular variational equations along quasiperiodic solutions of Hamiltonian systems
   
   Mat. Zametki, 43:1 (1988),  62–70
2. Irregular second-order differential equations with almost-periodic coefficients
   
   Mat. Zametki, 41:2 (1987),  202–206