TY  - JOUR
AU  - O. D. Gabisoniya
TI  - The magnitude of the best approximation of a~function of several variables by means of polynomials in Haar functions
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1968
SP  - 39
EP  - 46
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1968_1_a5/
LA  - ru
ID  - IVM_1968_1_a5
ER  -