Klee, Victor. "Dispersed Chebyshev Sets and Coverings by Balls.." Mathematische Annalen 257 (1981): 251-260. <http://eudml.org/doc/163555>.
@article{Klee1981, author = {Klee, Victor}, journal = {Mathematische Annalen}, keywords = {proximinal sets}, pages = {251-260}, title = {Dispersed Chebyshev Sets and Coverings by Balls.}, url = {http://eudml.org/doc/163555}, volume = {257}, year = {1981}, }
TY - JOUR AU - Klee, Victor TI - Dispersed Chebyshev Sets and Coverings by Balls. JO - Mathematische Annalen PY - 1981 VL - 257 SP - 251 EP - 260 KW - proximinal sets UR - http://eudml.org/doc/163555 ER -