TY - JOUR AU - Ya. I. Al'ber TI - Recurrence relations and variational inequalities JO - Doklady Akademii Nauk PY - 1983 SP - 11 EP - 17 VL - 270 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1983_270_1_a0/ LA - ru ID - DAN_1983_270_1_a0 ER -