Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1995_57_1_a1, author = {V. S. Balaganskii}, title = {On~approximation properties of sets with convex complement}, journal = {Matemati\v{c}eskie zametki}, pages = {20--29}, publisher = {mathdoc}, volume = {57}, number = {1}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1995_57_1_a1/} }
V. S. Balaganskii. On~approximation properties of sets with convex complement. Matematičeskie zametki, Tome 57 (1995) no. 1, pp. 20-29. http://geodesic.mathdoc.fr/item/MZM_1995_57_1_a1/