@article{1028999542,
author = {Meir, A. and Willett, D. and Wong, J. S. W.},
title = {A stability condition for $y^{\prime\prime}+p(x)y=0$.},
journal = {Michigan Math. J.},
volume = {13},
number = {1},
year = {1966},
pages = { 169-170},
language = {en},
url = {http://dml.mathdoc.fr/item/1028999542}
}
Meir, A.; Willett, D.; Wong, J. S. W. A stability condition for $y^{\prime\prime}+p(x)y=0$.. Michigan Math. J., Tome 13 (1966) no. 1, pp. 169-170. http://gdmltest.u-ga.fr/item/1028999542/