TY - JOUR AU - G. V. Lavrelashvili TI - Nonconservation of fermion quantum numbers in the case of tunneling transitions in gauge theories JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1987 SP - 245 EP - 254 VL - 73 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1987_73_2_a7/ LA - ru ID - TMF_1987_73_2_a7 ER -