"Ivan Petrovič Kuprijanov" . "Ivan Petrovich Kuprii︠a︡nov" . "Ivan Petrovich Kuprii︠a︡nov" . "Petrovič" . "Kuprianov" . "Ivan Kuprii︠a︡nov"@en . "Ivan Petrovič Kupriânov" . . "Ivan Petrovič Kuprianov" . "Ivan"@en . "Ivan Petrovich" . "Kuprijanov" . "Kuprii︠a︡nov"@en . "1915" . . . "Kupriânov" . "Petrovich" . . .