@article{ELMA_1949__4_140504,
     author = {P. Matthieu},
     title = {\"Uber das {Iterationsverfahren} von {Picard-Lindel\"of} zur angen\"aherten {L\"osung} gew\"ohnlicher {Differentialgleichungen.}},
     journal = {Elemente der Mathematik},
     pages = {34--42},
     publisher = {mathdoc},
     volume = {4},
     year = {1949},
     zbl = {0033.12403},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1949__4_140504/}
}