O. P. Solovtsova
Sukhoi State Technical University of Gomel; Joint Institute for Nuclear Research
Belarus

Olga P. Solovtsova – Dr. Sc. (Physics and Mathematics), Chief Researcher of the Scientific Research Center, Sukhoi State Technical University of Gomel; Leading Researcher of the Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research

48, Octiabrya Ave., 246029, Gomel, Republic of Belarus;
6, Joliot-Curie Str., 141980, Dubna, Moscow Region, Russian Federation. 

V. I. Lashkevich
Sukhoi State Technical University of Gomel
Belarus

Vasil I. Lashkevich – Ph. D. (Physics and Mathematics), Associate Professor of the Higher Mathematics Department 

48, Octiabrya Ave., 246029, Gomel, Republic of Belarus

L. P Kaptari
Joint Institute for Nuclear Research
Russian Federation

Leonid P. Kaptari – Dr. Sc. (Physics and Mathematics), Professor, Leading Researcher  of  Bogoliubov  Laboratory of Theoretical Physics,

6, Joliot-Curie Str., 141980, Dubna, Moscow Region, Russian Federation