TY  - JOUR
AU  - A. Ya. Chervonenkis
TI  - On some properties of classes of events for which the conditions

JO  - Izvestiya. Mathematics 
PY  - 2012
SP  - 1271
EP  - 1285
VL  - 76
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_2012_76_6_a10/
LA  - en
ID  - IM2_2012_76_6_a10
ER  -