TY  - JOUR
AU  - J. V. Rybalov
TI  - On imbedding theorems for a natural extension of the sobolev class $W^l_p(\Omega)$
JO  - Izvestiya. Mathematics 
PY  - 1970
SP  - 147
EP  - 157
VL  - 4
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1970_4_1_a7/
LA  - en
ID  - IM2_1970_4_1_a7
ER  -