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@article{GMJ_1995__2_6_47446, author = {Kosmala, Witold A.J.}, title = {More on oscillation of th-order equations.}, journal = {Georgian Mathematical Journal}, pages = {593--602}, publisher = {mathdoc}, volume = {2}, number = {6}, year = {1995}, zbl = {0841.34034}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GMJ_1995__2_6_47446/} }
Kosmala, Witold A.J. More on oscillation of th-order equations.. Georgian Mathematical Journal, Tome 2 (1995) no. 6, pp. 593-602. http://geodesic.mathdoc.fr/item/GMJ_1995__2_6_47446/