He was appointed onto the staff after graduating and worked at Kharkov University until 1961. Half way through this period, in 1953, he was promoted to professor.
Siya ay hihirangin papunta sa mga kawani matapos na graduating at nagtrabaho sa Kharkov University hanggang 1961. Kalahati ng paraan sa pamamagitan ng panahong ito, sa 1953, siya ay propesor sa itaas.