@article{TMF_1998_115_3_a2, author = {F. L. Bezrukov}, title = {Using singular classical solutions for calculating multiparticle cross sections in field theory}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {358--372}, publisher = {mathdoc}, volume = {115}, number = {3}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_1998_115_3_a2/} }