TY - JOUR AU - V. M. Vdovenko AU - È. V. Sobotovich TI - On the problem of possible existence of superheavy elements in nature JO - Doklady Akademii Nauk PY - 1969 SP - 980 EP - 983 VL - 189 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_189_5_a15/ LA - ru ID - DAN_1969_189_5_a15 ER -