PRECEDENT TEXTS REFLECTING THE POST- REVOLUTIONARY PERIOD DURING STUDYING M. A. BULGAKOV’S “DOG’S HEART” AT LITERATURE LESSONS IN THE 8TH FORM. Известия ЮФУ. Филологические науки [Internet]. 2026 Mar. 23 [cited 2026 Mar. 31];30(1):158-6. Available from: https://philol-journal.sfedu.ru/index.php/sfuphilol/article/view/2179