@article{1181069353,
author = {Kim, Young Deuk},
title = {Locally Euclidean Metrics on $S^2$ in Which Some Open Balls Are Not Connected},
journal = {Rocky Mountain J. Math.},
volume = {36},
number = {6},
year = {2006},
pages = { 1927-1935},
language = {en},
url = {http://dml.mathdoc.fr/item/1181069353}
}
Kim, Young Deuk. Locally Euclidean Metrics on $S^2$ in Which Some Open Balls Are Not Connected. Rocky Mountain J. Math., Tome 36 (2006) no. 6, pp. 1927-1935. http://gdmltest.u-ga.fr/item/1181069353/