TY - JOUR AU - V. F. Gaposhkin TI - On Independent and Stationary Subsystems of the Walsh System and Periodic Multiplicative Systems JO - Matematičeskie zametki PY - 2009 SP - 342 EP - 350 VL - 85 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2009_85_3_a2/ LA - ru ID - MZM_2009_85_3_a2 ER -