Shabalin, D. S. <Dmitry Semionovich> (1945-2020)
Problemy deshifrovki bespometnogo znamennogo raspeva XV - serediny XVII vekov
The Problems of deciphering of znamenny chant without markings of the 15th to mid-17th centuries
Ph. D. Thesis
Russian
1986
Moscow: 1986
4895