For citations:

Yudina I.G., Bazyleva E.A. Representation of History of Russian Science on the Pages of Electronic Calendars of Significant and Memorable Dates. Bibliotekovedenie [Russian Journal of Library Science]. 2020;69(5):471-482. (In Russ.) https://doi.org/10.25281/0869-608X-2020-69-5-471-482