TY  - JOUR
AU  - E. I. Moiseev
TI  - Essential and nonessential boundary sets for the Neumann problem
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 901
EP  - 911
VL  - 9
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_5_a13/
LA  - ru
ID  - DE_1973_9_5_a13
ER  -