TY  - JOUR
AU  - N. A. Sidel'nikova
TI  - Deficiency Indices of the Singular Differential Operator Generated by the Expression $y^{\mathrm{IV}}-2a(x^\alpha y')'+bx^\beta y$
JO  - Matematičeskie zametki
PY  - 2003
SP  - 153
EP  - 156
VL  - 73
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2003_73_1_a16/
LA  - ru
ID  - MZM_2003_73_1_a16
ER  -