TY - JOUR AU - S. V. Zotikov TI - Cross products of complete orthonormal systems of functions JO - Matematičeskie zametki PY - 1974 SP - 331 EP - 340 VL - 15 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1974_15_2_a19/ LA - ru ID - MZM_1974_15_2_a19 ER -