TY  - JOUR
AU  - P. I. Lizorkin
AU  - V. S. Guliev
TI  - Functional spaces and approximation problems on Heisenberg group
JO  - Informatics and Automation
PY  - 1992
SP  - 245
EP  - 272
VL  - 201
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1992_201_a12/
LA  - ru
ID  - TRSPY_1992_201_a12
ER  -