Voir la notice de l'article provenant de la source European Digital Mathematics Library
@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/} }
E. Görlich; D. Pontzen. Alpha Well-Posedness, Alpha Stability, and the Matrix Theorems of H.-O. Kreiss.. Numerische Mathematik, Tome 46 (1985), pp. 131-146. http://geodesic.mathdoc.fr/item/NUMA_1985__46_132987/