Leszka MJ. Bălgarskijat zlaten vek. Sbornik v čest na car Simeon Veliki (893–927), săst. V. Gjuzelev, I.G. Iliev, K. Nenov, Fondacija Bălgarsko Istoričesko Nasledstvo, Plovdiv 2015, ss. 569. PNH [Internet]. 2016 May 15 [cited 2026 Sep. 16];15(2):343-8. Available from: https://czasopisma.uni.lodz.pl/pnh/article/view/1542