This browser doesn't support HTLM5 video tag!
Google Chrome is recommended!
BLTP Joint Seminar on 2016-03-03
Seminar devoted to Dmitrij V. Shirkov
Two infinities of D.V. Shirkov
Семинар посвящённый памяти Дмитрия Васильевича Ширкова
"Две бесконечности Д. В. Ширкова"