@article{107129, author = {Jarom\'\i r \v Sim\v sa}, title = {The second order differential equation with an oscillatory coefficient}, journal = {Archivum Mathematicum}, volume = {018}, year = {1982}, pages = {95-100}, zbl = {0498.34043}, mrnumber = {683351}, language = {en}, url = {http://dml.mathdoc.fr/item/107129} }
Šimša, Jaromír. The second order differential equation with an oscillatory coefficient. Archivum Mathematicum, Tome 018 (1982) pp. 95-100. http://gdmltest.u-ga.fr/item/107129/
Ordinary differential equations, New York, John Wiłey 1964. (1964) | MR 0171038 | Zbl 0125.32102
Asymptotic integration of perturbed linear differential equations under conditions involving ordinary integral convergence, To appeaг.