@article{MZM_1976_20_5_a16,
     author = {V. V. Tuz},
     title = {Axiomatic theory of convexity},
     journal = {Matemati\v{c}eskie zametki},
     pages = {761--770},
     publisher = {mathdoc},
     volume = {20},
     number = {5},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1976_20_5_a16/}
}