TY - JOUR AU - V. V. Lesin TI - An analog of the system of reference functions corresponding to the Walsh functions JO - Matematičeskie zametki PY - 1977 SP - 485 EP - 493 VL - 21 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1977_21_4_a4/ LA - ru ID - MZM_1977_21_4_a4 ER -