@article{JRAM_1890__106_148782,
     author = {L. Heffter},
     title = {Ueber {Recursionsformeln} der {Integrale} linearer homogener {Differentialgleichungen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {269--282},
     publisher = {mathdoc},
     volume = {106},
     year = {1890},
     zbl = {22.0306.02},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1890__106_148782/}
}