[Petr Pavlovich Ivanov and his scientific heritage (on his 90th birthday and 25th anniversary of his death)].
D001634:Bibliographies as Topic; D004626:Embryology / Q000266:history; D049673:History, 20th Century; D012426:Russia
Petr Pavlovich Ivanov i ego nauchnoe nasledie (k 90-letiiu so dnia rozhdeniia i 25-letiiu so dnia smerti)