For citations:

Aghamirzaev A.C., Kazimi P.F. The last Mohican of the Soviet library science. (On the occasion of the 90-th Anniversary of Professor A. A. Khalafov). Scientific and Technical Libraries. 2022;(12):124-134. (In Russ.) https://doi.org/10.33186/1027-3689-2022-12-124-134