@article{TMF_1979_39_2_a0,
     author = {A. A. Logunov and M. A. Mestvirishvili and G. L. Rcheulishvili and A. P. Samokhin},
     title = {Singularities of the amplitude in the~$\cos\theta$; plane and scattering at high energies},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {147--164},
     year = {1979},
     volume = {39},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1979_39_2_a0/}
}