For citations:

Malinina G.M. Spiritual Music by P.I. Tchaikovsky in the Editions of P.I. Jurgenson: the Problem of Dating. Bibliotekovedenie [Russian Journal of Library Science]. 2016;1(1):61-66. (In Russ.) https://doi.org/10.25281/0869-608X-2016-1-1-61-66