@incollection{MEM_2020_49_a7,
     author = {Vitanov, Nikolay},
     title = {Academicians and corresponding members of the {Bulgarian} {Academy} of {Sciences} having jubilee in 2019: {Academician} {Stanimir} {Troyanski,} {Corresponding} {Member} {Ivan} {Dimovski} and {Corresponding} {Member} {Emil} {Horozov}},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {63--74},
     year = {2020},
     volume = {49},
     language = {bg},
     url = {http://geodesic.mathdoc.fr/item/MEM_2020_49_a7/}
}