TY  - JOUR
AU  - A. V. Ostrovsky
TI  - On new classes of mappings associated with $k$-covering mappings
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1994
SP  - 24
EP  - 28
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1994_4_a6/
LA  - ru
ID  - VMUMM_1994_4_a6
ER  -