TY - JOUR AU - F. L. Bezrukov TI - Using singular classical solutions for calculating multiparticle cross sections in field theory JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1998 SP - 358 EP - 372 VL - 115 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1998_115_3_a2/ LA - ru ID - TMF_1998_115_3_a2 ER -