@article{DAN_1958_120_4_a13,
     author = {A. A. Logunov and A. N. Tavkhelidze},
     title = {The analytical properties of the amplitude of a process involving a variable number of particles},
     journal = {Doklady Akademii Nauk},
     pages = {739--742},
     publisher = {mathdoc},
     volume = {120},
     number = {4},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_120_4_a13/}
}