Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1968__12_131891, author = {F.W. SCH\"AFKE}, title = {Zum {Zeilensummenkriterium.}}, journal = {Numerische Mathematik}, pages = {448--453}, publisher = {mathdoc}, volume = {12}, year = {1968}, url = {http://geodesic.mathdoc.fr/item/NUMA_1968__12_131891/} }
F.W. SCHÄFKE. Zum Zeilensummenkriterium.. Numerische Mathematik, Tome 12 (1968), pp. 448-453. http://geodesic.mathdoc.fr/item/NUMA_1968__12_131891/