TY  - JOUR
AU  - S. R. Umarov
TI  - Nonlocal boundary value problems for pseudodifferential and operator-differential equations.~II
JO  - Differencialʹnye uravneniâ
PY  - 1998
SP  - 375
EP  - 382
VL  - 34
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1998_34_3_a12/
LA  - ru
ID  - DE_1998_34_3_a12
ER  -