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@article{TM_1983_154_a25, author = {V. V. Filippov}, title = {Normally situated subspaces}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {239--251}, publisher = {mathdoc}, volume = {154}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1983_154_a25/} }
V. V. Filippov. Normally situated subspaces. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Topology, Tome 154 (1983), pp. 239-251. http://geodesic.mathdoc.fr/item/TM_1983_154_a25/