@article{MZM_1990_48_5_a12,
     author = {A. A. Tolstonogov},
     title = {Scorza{\textendash}Dragoni's theorem for multi-valued mappings with variable domain of definition},
     journal = {Matemati\v{c}eskie zametki},
     pages = {109--120},
     year = {1990},
     volume = {48},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1990_48_5_a12/}
}