TY - JOUR AU - D. A. Frank-Kamenetskii TI - Multiple production of nucleon pairs by thermal photons in an open cosmologic model JO - Doklady Akademii Nauk PY - 1962 SP - 307 EP - 309 VL - 144 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_144_2_a15/ LA - ru ID - DAN_1962_144_2_a15 ER -