TY  - JOUR
AU  - V. N. Orlov
TI  - Piecewise polynomial approximation in $W^1_2$ of functions from $W^2_p$, $1
JO  - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
PY  - 1978
SP  - 935
EP  - 942
VL  - 18
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZVMMF_1978_18_4_a12/
LA  - ru
ID  - ZVMMF_1978_18_4_a12
ER  -