@incollection{MEM_2023_52_a1,
     author = {Popivanov, Peter},
     title = {400th anniversary of {Blaise} {Pascal}},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {16--24},
     year = {2023},
     volume = {52},
     language = {bg},
     url = {http://geodesic.mathdoc.fr/item/MEM_2023_52_a1/}
}