TY  - JOUR
AU  - V. E. Maiorov
TI  - On linear widths of Sobolev classes and chains of extremal subspaces
JO  - Sbornik. Mathematics
PY  - 1982
SP  - 361
EP  - 382
VL  - 41
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1982_41_3_a2/
LA  - en
ID  - SM_1982_41_3_a2
ER  -