@article{00733301, title = {Coordinate }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {18}, year = {1995}, pages = {97-106}, doi = {10.1155/S0161171295000135}, zbl = {0819.28007}, language = {en}, url = {http://dml.mathdoc.fr/item/00733301} }
Lee, Hung Hwan; Baek, In Soo. Coordinate . International Journal of Mathematics and Mathematical Sciences, Tome 18 (1995) pp. 97-106. doi : 10.1155/S0161171295000135. http://gdmltest.u-ga.fr/item/00733301/