@article{GDZPPN002479893,
title = {Limit Circle Results for Second Order Equations.},
journal = {Monatshefte f\"ur Mathematik},
volume = {82},
year = {1976},
pages = {185-194},
zbl = {0339.34028},
url = {http://dml.mathdoc.fr/item/GDZPPN002479893}
}
Patula, W.T.; Burton, T.A. Limit Circle Results for Second Order Equations.. Monatshefte für Mathematik, Tome 82 (1976) pp. 185-194. http://gdmltest.u-ga.fr/item/GDZPPN002479893/