TY  - JOUR
AU  - O. P. Shcherbak
TI  - Conditions for the existence of a nondegenerate mapping with a given support
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1979
SP  - 95
VL  - 13
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1979_13_2_a16/
LA  - ru
ID  - FAA_1979_13_2_a16
ER  -