@article{01020688,
title = {Slowly varying solutions of second-order linear differential equations.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {58(72)},
year = {1995},
pages = {129-136},
zbl = {0965.34044},
language = {en},
url = {http://dml.mathdoc.fr/item/01020688}
}
Marić, V.; Tomić, M. Slowly varying solutions of second-order linear differential equations.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 58(72) (1995) pp. 129-136. http://gdmltest.u-ga.fr/item/01020688/