TY  - JOUR
AU  - V. R. Portnov
TI  - S.\,L.~Sobolev projection operators for seminorms with infinite-dimensional kernels
JO  - Informatics and Automation
PY  - 1976
SP  - 252
EP  - 263
VL  - 140
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1976_140_a13/
LA  - ru
ID  - TRSPY_1976_140_a13
ER  -