@article{MZM_2004_75_2_a5,
     author = {V. G. Naidenko},
     title = {Partial {Convexity}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {222--235},
     publisher = {mathdoc},
     volume = {75},
     number = {2},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2004_75_2_a5/}
}