TY  - JOUR
AU  - S. M. Shugrin
TI  - Strong and weak extensions of differential operators.~II
JO  - Differencialʹnye uravneniâ
PY  - 1979
SP  - 2071
EP  - 2084
VL  - 15
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1979_15_11_a16/
LA  - ru
ID  - DE_1979_15_11_a16
ER  -