About the authors
Special Astrophysical Observatory, Russian Academy of Sciences; Kazan (Volga Region) Federal University
Email: kolbinalexander@mail.ru
357147, Nizhnii Arkhyz, Karachai-Cherkessian Republic, Russia; 420000, Kazan, Russi
Special Astrophysical Observatory, Russian Academy of Sciences
Email: kolbinalexander@mail.ru
357147, Nizhnii Arkhyz, Karachai-Cherkessian Republic, Russia
Special Astrophysical Observatory, Russian Academy of Sciences
Email: kolbinalexander@mail.ru
357147, Nizhnii Arkhyz, Karachai-Cherkessian Republic, Russia
Special Astrophysical Observatory, Russian Academy of Sciences
Email: kolbinalexander@mail.ru
357147, Nizhnii Arkhyz, Karachai-Cherkessian Republic, Russia
Kazan (Volga Region) Federal University; Academy of Sciences of Tatarstan
Email: kolbinalexander@mail.ru
Россия, Казань; Россия, Казань
Special Astrophysical Observatory, Russian Academy of Sciences; Kazan (Volga Region) Federal University
Author for correspondence.
Email: kolbinalexander@mail.ru
357147, Nizhnii Arkhyz, Karachai-Cherkessian Republic, Russia; 420000, Kazan, Russi