@article{TMF_1972_13_3_a1,
     author = {A. I. Bugrij and L. L. Enkovskii and N. A. Kobylinskii and V. P. Shelest},
     title = {Analytic continuation of dual amplitudes with {Mandelstam} analyticity},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {313--320},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1972_13_3_a1/}
}