TY  - JOUR
AU  - V. T. Shevaldin
TI  - Lower bounds on widths of classes of sourcewise representable functions
JO  - Informatics and Automation
PY  - 1989
SP  - 185
EP  - 200
VL  - 189
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1989_189_a9/
LA  - ru
ID  - TRSPY_1989_189_a9
ER  -