@article{01656122, title = {The number of connected components of certain real algebraic curves.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {25}, year = {2001}, pages = {693-701}, doi = {10.1155/S0161171201010481}, zbl = {1027.14027}, language = {en}, url = {http://dml.mathdoc.fr/item/01656122} }
Kim, Seon-Hong. The number of connected components of certain real algebraic curves.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 693-701. doi : 10.1155/S0161171201010481. http://gdmltest.u-ga.fr/item/01656122/