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@article{BAG_1991__31_138477, author = {A. Krutov}, title = {Nekotorye ponyatiya i sootnosheniya kinematiche skoi geometrii}, journal = {Beitr\"age zur Algebra und Geometrie}, pages = {87--102}, publisher = {mathdoc}, volume = {31}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/BAG_1991__31_138477/} }
A. Krutov. Nekotorye ponyatiya i sootnosheniya kinematiche skoi geometrii. Beiträge zur Algebra und Geometrie, Tome 31 (1991), pp. 87-102. http://geodesic.mathdoc.fr/item/BAG_1991__31_138477/