TY - JOUR AU - V. V. Kostin AU - V. A. Skvortsov TI - Martingale sequences in the theory of orthogonal series JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1999 SP - 50 EP - 53 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1999_6_a6/ LA - ru ID - VMUMM_1999_6_a6 ER -