@article{TMF_1989_78_3_a4,
     author = {A. N. Kvinikhidze and A. M. Khvedelidze},
     title = {Expansion of~the boost operator in~powers of~the coupling constant},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {357--367},
     publisher = {mathdoc},
     volume = {78},
     number = {3},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1989_78_3_a4/}
}