TY - JOUR AU - V. A. Shlyk TI - Erratum: ``The method of conjugate families in the theory of JO - Doklady Akademii Nauk PY - 1989 SP - 10 VL - 309 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1989_309_1_a25/ LA - ru ID - DAN_1989_309_1_a25 ER -