S.L. Gafner, L.V. Redel, J.J. Gafner
I.S. Zamulin - Post-graduate Student, Katanov Khakass State University, Abakan. E-mail: zamulin_ivan@mail.ru
S.L. Gafner - Dr.Sc. (Phys.-Math.), Professor, Katanov Khakass State University, Abakan. E-mail: sgafner@khsu.ru sgafner@rambler
L.V. Redel - Ph.D. (Phys.-Math.), Associate Professor, Katanov Khakass State University, Abakan. Е-mail: lredel@khsu.ru
Yu.Ya. Gafner - Dr.Sc. (Phys.-Math.), Professor, Head of Department, Katanov Khakass State University, Abakan. Е-mail: ygafner@khsu.ru
V.S. Baidyshev - Ph.D. (Phys.-Math.), Khakas State University, Abakan
Yu.Ya. Gafner - Dr.Sc. (Phys.-Math.), Professor, Head of Department, Khakas State University, Abakan
I.V. Chepkasov - Ph.D. (Phys.-Math.), Khakas State University, Abakan. E-mail: ilya_chepkasov@mail.ru
A.V. Starenchenko – Post-graduate Student, Moscow Aviation Institute (National Research University) E-mail: defol27@ gmail.ru