TY  - JOUR
AU  - V. L. Levin
TI  - Continuous utility theorem for closed preorders on a metrizable $\sigma$-compact space
JO  - Doklady Akademii Nauk
PY  - 1983
SP  - 800
EP  - 804
VL  - 273
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1983_273_4_a6/
LA  - ru
ID  - DAN_1983_273_4_a6
ER  -