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@article{DAN_1984_277_2_a5, author = {A. N. Dranishnikov}, title = {Absolute extensors in the dimension $n$ and $n$-soft mappings}, journal = {Doklady Akademii Nauk}, pages = {284--287}, publisher = {mathdoc}, volume = {277}, number = {2}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_277_2_a5/} }
A. N. Dranishnikov. Absolute extensors in the dimension $n$ and $n$-soft mappings. Doklady Akademii Nauk, Tome 277 (1984) no. 2, pp. 284-287. http://geodesic.mathdoc.fr/item/DAN_1984_277_2_a5/