TY  - JOUR
AU  - E. M. Nikishin
TI  - On systems of convergence in measure for $l_2$
JO  - Matematičeskie zametki
PY  - 1973
SP  - 337
EP  - 340
VL  - 13
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1973_13_3_a0/
LA  - ru
ID  - MZM_1973_13_3_a0
ER  -