%0 Journal Article %A Karakoleva, Stefka %T Creating and using of digital resources in mathematical training %J Mathematics and Education in Mathematics %D 2020 %P 263-264 %V 49 %I mathdoc %U http://geodesic.mathdoc.fr/item/MEM_2020_49_a29/ %G bg %F MEM_2020_49_a29