@article{01049428, title = {Tur\'an inequalities for symmetric orthogonal polynomials.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {20}, year = {1997}, pages = {1-7}, doi = {10.1155/S016117129700001X}, zbl = {0874.33008}, language = {en}, url = {http://dml.mathdoc.fr/item/01049428} }
Bustoz, Joaquin; Ismail, Mourad E.H. Turán inequalities for symmetric orthogonal polynomials.. International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 1-7. doi : 10.1155/S016117129700001X. http://gdmltest.u-ga.fr/item/01049428/