@article{MAN_1934__109_159706,
     author = {F. Rellich},
     title = {\"Uber die {Reduktion} gewisser ausgearteter {Systeme} von partiellen {Differentialgleichungen}},
     journal = {Mathematische Annalen},
     pages = {714},
     publisher = {mathdoc},
     volume = {109},
     year = {1934},
     zbl = {0009.11102},
     language = {un},
     url = {https://geodesic-test.mathdoc.fr/item/MAN_1934__109_159706/}
}