@article{ADM_2020_30_2_a6,
     author = {I. Protasov},
     title = {Decompositions of set-valued mappings},
     journal = {Algebra and discrete mathematics},
     pages = {235--238},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2020_30_2_a6/}
}