@incollection{MEM_2020_49_a1,
     author = {Kenderov, Petar and Andreev, Andrey},
     title = {Academician {Blagovest} {Sendov} (1932 {\textendash} 2020)},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {9--21},
     year = {2020},
     volume = {49},
     language = {bg},
     url = {http://geodesic.mathdoc.fr/item/MEM_2020_49_a1/}
}