@article{TMF_1975_23_1_a13,
     author = {S. Yu. Medvedev},
     title = {Asymptotic equality of differential cross sections in difference form},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {140--143},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1975_23_1_a13/}
}