Wikipedia:Articles for deletion/Porfiry Ivanov
The guy is definitely notable.  Just take a glance at the :ru:Иванов, Порфирий Корнеевич|corresponding article in ru_wiki&mdash;it should give you an idea of how many sources are available out there.  The sources are, of course, Russian, but so was Ivanov.  A typical case of |systemic bias in action, me thinks
— User:Ezhiki, NONE
Stance: keep
Cited policy: WP:CSB (Wikipedia:Systemic bias)