@article{ARM_2005__41_2_a10, author = {Stan\v{e}k, Svatoslav}, title = {An almost-periodicity criterion for solutions of the oscillatory differential equation $y''=q(t)y$ and its applications}, journal = {Archivum mathematicum}, pages = {229--241}, publisher = {mathdoc}, volume = {41}, number = {2}, year = {2005}, mrnumber = {2164672}, zbl = {1117.34043}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_2005__41_2_a10/} }