TY  - JOUR
AU  - A. M. Minkin
TI  - Eigenfunction expansion of a class of nonsmooth differential operators
JO  - Differencialʹnye uravneniâ
PY  - 1990
SP  - 356
EP  - 358
VL  - 26
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1990_26_2_a25/
LA  - ru
ID  - DE_1990_26_2_a25
ER  -