Zakharevich I S

Publications in Math-Net.Ru

1. Spectral problems for the Sturm–Liouville equation with a parameter. The geometry of finite-gap potentials
   
   Dokl. Akad. Nauk SSSR, 317:3 (1991),  550–554
2. Spectral theory of a pencil of skew-symmetric differential operators of third order on $S^1$
   
   Funktsional. Anal. i Prilozhen., 23:2 (1989),  1–11