Vladimir Nikolaevich Tsybin was a Russian composer, flautist, and conductor.
https://en.wikipedia.org/wiki/Vladimir_Tsybin (https://en.wikipedia.org/wiki/Vladimir_Tsybin)
Russian flautist Stanislav Yaroshevsky (accompanied on the piano by Marina Belashuk) has brought out a CD of Tsybin's flute music. More about it here (in Russian, use google translate): https://www.classicalmusicnews.ru/interview/yaroshevsky-tsybin-cd/ (https://www.classicalmusicnews.ru/interview/yaroshevsky-tsybin-cd/)
(https://www.classicalmusicnews.ru/wp-content/uploads/2021/04/yaroshevsky-tsybin-cd.jpg)
(Yaroshevsky is a friend of a friend: if anyone is interested to obtain the CD but has difficulties doing so, do contact me and we can try to work out something.)