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@article{MZM_1989_46_5_a2, author = {V. L. Dol'nikov}, title = {A theorem of {Helly} type for sets defined by systems of equations}, journal = {Matemati\v{c}eskie zametki}, pages = {13--16}, publisher = {mathdoc}, volume = {46}, number = {5}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1989_46_5_a2/} }
V. L. Dol'nikov. A theorem of Helly type for sets defined by systems of equations. Matematičeskie zametki, Tome 46 (1989) no. 5, pp. 13-16. http://geodesic.mathdoc.fr/item/MZM_1989_46_5_a2/