@article{MZM_1975_18_3_a3,
     author = {L. P. Vlasov},
     title = {Almost convex sets},
     journal = {Matemati\v{c}eskie zametki},
     pages = {343--356},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1975_18_3_a3/}
}