TY  - JOUR
AU  - P. L. Ul'yanov
TI  - Imbedding theorems and relations between best approximations (moduli of continuity) in different metrics
JO  - Sbornik. Mathematics
PY  - 1970
SP  - 103
EP  - 126
VL  - 10
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/SM_1970_10_1_a7/
LA  - en
ID  - SM_1970_10_1_a7
ER  -