@article{DAN_1980_252_4_a20,
     author = {L. D. Bakhrakh and L. M. Burdeinyi and S. D. Kremenetskii},
     title = {On the conditions of {Born} approximation applicability},
     journal = {Doklady Akademii Nauk},
     pages = {848--851},
     publisher = {mathdoc},
     volume = {252},
     number = {4},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_252_4_a20/}
}