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@article{DAN_1980_252_2_a1, author = {M. A. Akivis}, title = {Webs and {almost-Grassmannian} structures}, journal = {Doklady Akademii Nauk}, pages = {267--270}, publisher = {mathdoc}, volume = {252}, number = {2}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1980_252_2_a1/} }
M. A. Akivis. Webs and almost-Grassmannian structures. Doklady Akademii Nauk, Tome 252 (1980) no. 2, pp. 267-270. http://geodesic.mathdoc.fr/item/DAN_1980_252_2_a1/