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@article{DAN_1989_304_4_a11, author = {V. I. Zubov}, title = {Pencils of kinematic trajectories}, journal = {Doklady Akademii Nauk}, pages = {817--819}, publisher = {mathdoc}, volume = {304}, number = {4}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_304_4_a11/} }
V. I. Zubov. Pencils of kinematic trajectories. Doklady Akademii Nauk, Tome 304 (1989) no. 4, pp. 817-819. http://geodesic.mathdoc.fr/item/DAN_1989_304_4_a11/