@article{CLTM_1978_1978_1_a18,
     author = {Diener, Francine},
     title = {Les equations \ensuremath{\varepsilon}x'' + (x2-1) x'[s]+x=a.},
     journal = {Collectanea mathematica},
     pages = {217-247},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {1978},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1978_1978_1_a18/}
}