TY  - JOUR
AU  - M. Babayev
TI  - On the degree of approximation of the Sobolev class~$W_q^r$ by bilinear forms in~$L_p$ for $1\leqslant q\leqslant p\leqslant 2$
JO  - Sbornik. Mathematics
PY  - 1992
SP  - 113
EP  - 120
VL  - 72
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1992_72_1_a5/
LA  - en
ID  - SM_1992_72_1_a5
ER  -