Sihan Yan. Soprano Voice Types in European Art in the 17th–19th centuries: An Interpretological Analysis : Доктор філософії : spec.. 025 - Музичне мистецтво : presented. 2025-10-15; popup.evolution: o; I.P. Kotlyarevsky Kharkiv National University of Art. – Харків, 0825U003731.

Updated: 2026-10-20