Bogomolova Elena Petrovna

Publications in Math-Net.Ru

1. Necessary conditions for the basis property in the direct sum of Sobolev spaces
   
   Differ. Uravn., 25:4 (1989),  722–723
2. Basic properties of the system of eigenfunctions of a boundary value problem with a multiple root of the characteristic polynomial
   
   Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1989, no. 4,  17–22
3. Some questions of the spectral analysis of a nonselfadjoint differential operator with a “floating” singularity in the coefficient
   
   Differ. Uravn., 21:11 (1985),  1843–1849