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@article{IVM_1979_5_a9, author = {N. K. Smolentsev}, title = {A weak {Riemannian} structure on a~group of diffeomorphisms}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {78--80}, publisher = {mathdoc}, number = {5}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1979_5_a9/} }
N. K. Smolentsev. A weak Riemannian structure on a~group of diffeomorphisms. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 5 (1979), pp. 78-80. http://geodesic.mathdoc.fr/item/IVM_1979_5_a9/