For citations:

Sokolov V.Yu. The Study of Provenance in Historical-Bibliological Research at the Turn of the 20th — 21st Centuries: Using the Example of Ukraine. Bibliotekovedenie [Russian Journal of Library Science]. 2018;67(4):431-442. (In Russ.) https://doi.org/10.25281/0869-608X-2018-67-4-431-442