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@article{MZM_1968_4_1_a5, author = {V. A. Sorokin}, title = {Classes of convex sets as generalized metrical spaces}, journal = {Matemati\v{c}eskie zametki}, pages = {45--52}, publisher = {mathdoc}, volume = {4}, number = {1}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1968_4_1_a5/} }
V. A. Sorokin. Classes of convex sets as generalized metrical spaces. Matematičeskie zametki, Tome 4 (1968) no. 1, pp. 45-52. http://geodesic.mathdoc.fr/item/MZM_1968_4_1_a5/