@article{NUMA_1985__46_132987,
     author = {E. G\"orlich and D. Pontzen},
     title = {Alpha {Well-Posedness,} {Alpha} {Stability,} and the {Matrix} {Theorems} of {H.-O.} {Kreiss.}},
     journal = {Numerische Mathematik},
     pages = {131--146},
     publisher = {mathdoc},
     volume = {46},
     year = {1985},
     zbl = {0543.65064},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1985__46_132987/}
}