TY  - JOUR
AU  - K. V. Kravchenko
TI  - Differential operators with nonlocal boundary conditions
JO  - Differencialʹnye uravneniâ
PY  - 2000
SP  - 464
EP  - 469
VL  - 36
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_2000_36_4_a5/
LA  - ru
ID  - DE_2000_36_4_a5
ER  -