Bugarchev AI, Stepanov OV. About the Bulgarian Coins of Mengu-Timur with the Title "An-Nasir Li-Din Allah" (1266–1272). АЕС [Internet]. 2022 Dec. 27 [cited 2026 Nov. 7];(6):8-13. Available from: https://www.evrazstep.ru/index.php/aes/article/view/866