After graduating Delone taught in Kiev where he was a member of the Mathematical Society which had among its members Ch T Bialobzeski, P V Voronets, N B Delone, D A Grave, A A Friedmann, A P Kotelnikov, V P Linnik (I V Linnik 's father) and O Yu Schmidt.
Pagkatapos graduating Delone tinuturuan sa Kiev kung saan siya ay isang miyembro ng matematika Lipunan na kung saan ay kabilang sa mga kasapi nito sa Ch T Bialobzeski, PV Voronets, nb Delone, DA libingan, AA Friedmann, AP Kotelnikov, VP Linnik (IV Linnik 's ama) at O Yu Schmidt.