[Petr Petrovich Lazarev (100th anniversary of his birth)].
D001703:Biophysics / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D012425:Russia (Pre-1917); D014586:USSR
Petr Petrovich Lazarev (100 let so dnia rozhdeniia).