@article{GDZPPN002307316,
title = {Some Remarks on a Separation and Limit - point Criterion of Second-order, Ordinary Differential Expressions.},
journal = {Mathematische Annalen},
volume = {201},
year = {1973},
pages = {335-346},
zbl = {0235.34045},
url = {http://dml.mathdoc.fr/item/GDZPPN002307316}
}
Everitt, W.N.; Giertz, M.; Weidmann, J. Some Remarks on a Separation and Limit - point Criterion of Second-order, Ordinary Differential Expressions.. Mathematische Annalen, Tome 201 (1973) pp. 335-346. http://gdmltest.u-ga.fr/item/GDZPPN002307316/