@article{10_21136_CMJ_1979_101636,
     author = {Elschner, Johannes and Silbermann, Bernd},
     title = {Eine {Klasse} entarteter gew\"ohnlicher {Differentialgleichungen} und das {Kollokationsverfahren} zu ihrer {L\"osung}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {551--563},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {1979},
     doi = {10.21136/CMJ.1979.101636},
     mrnumber = {548217},
     zbl = {0428.34013},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1979.101636/}
}