@incollection{MEM_2024_53_a21,
     author = {Slavtchova-Bojkova, Maroussia},
     title = {Eightieth anniversary of {Professor} {Nikolay} {Yanev}},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {203--208},
     year = {2024},
     volume = {53},
     language = {bg},
     url = {http://geodesic.mathdoc.fr/item/MEM_2024_53_a21/}
}