TY  - JOUR
AU  - V. I. Berdyshev
TI  - Linear approximation of vector functions
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2014
SP  - 38
EP  - 43
VL  - 20
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TIMM_2014_20_4_a3/
LA  - ru
ID  - TIMM_2014_20_4_a3
ER  -