There were many different institutes in Moscow where mathematics was taught in evening classes and Gelfand taught elementary mathematics in various of these institutes, then a little later progressing to teach more advanced mathematics.
May mga iba't ibang institutes sa Moscow kung saan matematika ay nagtuturo classes sa gabi at Gelfand tinuturuan elementarya matematika sa iba't-ibang ng mga institutes, pagkatapos ng isang maliit na mamaya progressing sa mas advanced na magturo matematika.