TY  - JOUR
AU  - R. Oinarov
AU  - M. Otelbaev
TI  - A criterion for a Urysohn operator to be a contraction
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 1316
EP  - 1318
VL  - 255
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_255_6_a7/
LA  - ru
ID  - DAN_1980_255_6_a7
ER  -