TY - JOUR AU - T. P. Lukashenko TI - Generalized expansion systems similar to orthogonal ones JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1998 SP - 6 EP - 10 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1998_4_a1/ LA - ru ID - VMUMM_1998_4_a1 ER -