@article{01716612, title = {Existence of limit cycles in a predator-prey system with a functional response.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {25}, year = {2001}, pages = {377-385}, doi = {10.1155/S016117120100655X}, zbl = {0994.92036}, language = {en}, url = {http://dml.mathdoc.fr/item/01716612} }
Attili, Basem S. Existence of limit cycles in a predator-prey system with a functional response.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 377-385. doi : 10.1155/S016117120100655X. http://gdmltest.u-ga.fr/item/01716612/