@article{ARM_1966__2_1_a0,
     author = {R\'ab, Milo\v{s}},
     title = {Les d\'eveloppements asymptotiques des solutions de l'\'equation $(py' )' +qy=0$},
     journal = {Archivum mathematicum},
     pages = {1--17},
     publisher = {mathdoc},
     volume = {02},
     number = {1},
     year = {1966},
     mrnumber = {0199488},
     zbl = {0238.34016},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/ARM_1966__2_1_a0/}
}