TY  - JOUR
AU  - N. I. Kipriyanova
TI  - The mean-value formula for eigenfunctions of a singular second-order differential operator
JO  - Differencialʹnye uravneniâ
PY  - 1985
SP  - 1998
EP  - 2001
VL  - 21
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1985_21_11_a20/
LA  - ru
ID  - DE_1985_21_11_a20
ER  -