TY  - JOUR
AU  - Yu. A. Brudnyi
AU  - I. P. Irodova
TI  - Nonlinear spline approximation of functions of several variables and $B$-spaces
JO  - Algebra i analiz
PY  - 1992
SP  - 45
EP  - 79
VL  - 4
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_1992_4_4_a1/
LA  - ru
ID  - AA_1992_4_4_a1
ER  -