Virozub A I

Publications in Math-Net.Ru

1. Power completeness of the system of elementary solutions of a differential equation in Hilbert space
   
   Funktsional. Anal. i Prilozhen., 9:1 (1975),  52–53
2. The spectral properties of a certain class of self-adjoint operator functions
   
   Funktsional. Anal. i Prilozhen., 8:1 (1974),  1–10