@article{MOMA_1964__68_177259,
     author = {S. Filippi},
     title = {Optimale {Differentialtionsformeln} zur numerischen {L\"osung} von {Rand-} und {Eigenwertproblemen} bei gew\"ohnlichen {Differentialgleichungen.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {307--325},
     publisher = {mathdoc},
     volume = {68},
     year = {1964},
     zbl = {0139.32001},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1964__68_177259/}
}