@incollection{MEM_2023_52_a4,
     author = {Cherkashin, Danila},
     title = {On small non-uniform hypergraphs without property {B}},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {71--75},
     year = {2023},
     volume = {52},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MEM_2023_52_a4/}
}