@article{TMF_1974_21_1_a2,
     author = {S. P. Kuleshov and V. A. Matveev and A. N. Sisakyan and M. A. Smondyrev and A. N. Tavkhelidze},
     title = {Twisted eikonal graphs and structure of the quasipotential},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {30--36},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1974_21_1_a2/}
}