TY  - JOUR
AU  - P. A. Yaskov
TI  - Necessary conditions in the law of large numbers for martingales and associated systems
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2011
SP  - 822
EP  - 824
VL  - 66
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/RM_2011_66_4_a7/
LA  - en
ID  - RM_2011_66_4_a7
ER  -