Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1981_29_5_a1, author = {V. N. Zamyatin and A. B. Shishkin}, title = {Chebyshev centers and $\varkappa$-normal spaces}, journal = {Matemati\v{c}eskie zametki}, pages = {659--672}, publisher = {mathdoc}, volume = {29}, number = {5}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1981_29_5_a1/} }
V. N. Zamyatin; A. B. Shishkin. Chebyshev centers and $\varkappa$-normal spaces. Matematičeskie zametki, Tome 29 (1981) no. 5, pp. 659-672. http://geodesic.mathdoc.fr/item/MZM_1981_29_5_a1/