Alexandr G. Kravetsky, Maria V. Miroshnichenko. SUPPLEMENTS TO THE HISTORY OF CHURCH SERVICES CREATED DURING THE SYNODAL PERIOD OF CHURCH HISTORY
Trudy IRY RAS. 2023. № 1 (35), Pages. 161 - 180

Olga V. Svetlova. AKATHIST TO ST. PRINCESS OLGA, EQUAL-TO-THE-APOSTLES: HISTORY OF COMPOSITION AND EDITION
Trudy IRY RAS. 2018. № 2 (16), Pages. 317 - 334