TY - JOUR AU - D. S. Anikonov TI - Examples of the nonuniqueness of the solution of a problem of JO - Doklady Akademii Nauk PY - 1988 SP - 15 EP - 17 VL - 299 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1988_299_1_a1/ LA - ru ID - DAN_1988_299_1_a1 ER -