@article{01570665, title = {An example of nonsymmetric semi-classical form of class }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {23}, year = {2000}, pages = {673-689}, doi = {10.1155/S0161171200004671}, zbl = {0967.33006}, language = {en}, url = {http://dml.mathdoc.fr/item/01570665} }
Atia, Mohamed Jalel. An example of nonsymmetric semi-classical form of class . International Journal of Mathematics and Mathematical Sciences, Tome 23 (2000) pp. 673-689. doi : 10.1155/S0161171200004671. http://gdmltest.u-ga.fr/item/01570665/