Title: Pevcheskie azbuki Drevneĭ Rusi : perevody, issledovanii͡a, kommentarii /
Authors: Shabalin, D. S.
Publisher: Sovetskai͡a Kubanʹ,
Year: 2004
Subjects: Neumes.; Music theory Russia History.; Paleography, Musical Russia.; Byzantine chants History and criticism.