TY  - JOUR
AU  - A. Yu. Solynin
TI  - Some extremal problems for pairs of functions without common values
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1987
SP  - 159
EP  - 169
VL  - 160
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1987_160_a14/
LA  - ru
ID  - ZNSL_1987_160_a14
ER  -