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@article{MZM_1984_36_1_a9, author = {A. V. Ivanov}, title = {Superextension-type functors and soft mappings}, journal = {Matemati\v{c}eskie zametki}, pages = {103--108}, publisher = {mathdoc}, volume = {36}, number = {1}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1984_36_1_a9/} }
A. V. Ivanov. Superextension-type functors and soft mappings. Matematičeskie zametki, Tome 36 (1984) no. 1, pp. 103-108. http://geodesic.mathdoc.fr/item/MZM_1984_36_1_a9/