@article{MEM_2020_49_a24,
     author = {Kenderov, Petar and Chehlarova, Toni},
     title = {The use of auxiliary files in the online competition {{\textquotedblleft}VIVA} {Mathematics} with a {Computer{\textquotedblright}}},
     journal = {Mathematics and Education in Mathematics},
     pages = {220--228},
     publisher = {mathdoc},
     volume = {49},
     year = {2020},
     language = {bg},
     url = {http://geodesic.mathdoc.fr/item/MEM_2020_49_a24/}
}