After graduating in 1916, Khinchin remained at Moscow University undertaking research for his dissertation which would allow him to become a university teacher.
Pagkatapos graduating sa 1916, Khinchin naiiwan sa Moscow University pagsasagawa ng pananaliksik para sa kanyang disertasyon na kung saan ay magpapahintulot sa kanya upang maging isang guro ng unibersidad.