TY - JOUR AU - A. V. Astakhov TI - Thirring's four-fermion model and the perturbation theory JO - Doklady Akademii Nauk PY - 1967 SP - 771 EP - 774 VL - 174 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_174_4_a9/ LA - ru ID - DAN_1967_174_4_a9 ER -