@article{NUMA_1961__3_131484,
     author = {R. ALBRECHT and W. URICH},
     title = {Ein {Differenzenverfahren} zur n\"aherungsweisen {L\"osung} des {Anfangswertproblems} f\"ur {Systeme} halblinearer partieller {Differentialgleichungen} l. {Ordnung.}},
     journal = {Numerische Mathematik},
     pages = {131--146},
     publisher = {mathdoc},
     volume = {3},
     year = {1961},
     zbl = {0098.09501},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1961__3_131484/}
}