@incollection{MEM_2020_49_a18,
     author = {Zhelezova, Stela},
     title = {On the extension of a partial solution of d spreads to a parallelism},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {173--177},
     year = {2020},
     volume = {49},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MEM_2020_49_a18/}
}