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@article{ARM_2010__46_2_a3, author = {Manfrin, Renato}, title = {A note on linear perturbations of oscillatory second order differential equations}, journal = {Archivum mathematicum}, pages = {105--118}, publisher = {mathdoc}, volume = {46}, number = {2}, year = {2010}, mrnumber = {2684253}, zbl = {1240.34186}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_2010__46_2_a3/} }
Manfrin, Renato. A note on linear perturbations of oscillatory second order differential equations. Archivum mathematicum, Tome 46 (2010) no. 2, pp. 105-118. http://geodesic.mathdoc.fr/item/ARM_2010__46_2_a3/