@article{MZM_1991_50_5_a10,
     author = {P. V. Semenov},
     title = {Convex sections of graphs of continuous functions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {75--80},
     publisher = {mathdoc},
     volume = {50},
     number = {5},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1991_50_5_a10/}
}