@article{bwmeta1.element.bwnjournal-article-apmv8i1p71bwm,
author = {Opial, Z.},
title = {Sur les solutions de l'\'equation diff\'erentielle x'' + h(x)x' + f(x) = e(t)},
journal = {Annales Polonici Mathematici},
volume = {8},
year = {1960},
pages = {71-74},
zbl = {0089.07002},
language = {fra},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-apmv8i1p71bwm}
}
Opial, Z. Sur les solutions de l'équation différentielle x'' + h(x)x' + f(x) = e(t). Annales Polonici Mathematici, Tome 8 (1960) pp. 71-74. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-apmv8i1p71bwm/