@article{TMF_2020_204_1_a3,
     author = {V. A. Petrov},
     title = {Dependence of the~phase of the~elastic scattering amplitude on
},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {70--75},
     publisher = {mathdoc},
     volume = {204},
     number = {1},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2020_204_1_a3/}
}