@article{NUMA_1977__29_132515,
     author = {W.J. Beyn},
     title = {Zur {Stabilit\"at} von {Differenzenverfahren} f\"ur {Systeme} linearer gew\"ohnlicher {Randwertaufgaben.}},
     journal = {Numerische Mathematik},
     pages = {209--226},
     publisher = {mathdoc},
     volume = {29},
     year = {1977},
     zbl = {0373.65040},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1977__29_132515/}
}