%0 Journal Article %A Zhelezova, Stela %T On the extension of a partial solution of d spreads to a parallelism %J Mathematics and Education in Mathematics %D 2020 %P 173-177 %V 49 %I mathdoc %U http://geodesic.mathdoc.fr/item/MEM_2020_49_a18/ %G en %F MEM_2020_49_a18