@article{GDZPPN001178105, title = {Contractivity in the Numerical Solution of Initial Value Problems.}, journal = {Numerische Mathematik}, volume = {42}, year = {1983}, pages = {271-290}, zbl = {0504.65030}, url = {http://dml.mathdoc.fr/item/GDZPPN001178105} }
Spijker, M.N. Contractivity in the Numerical Solution of Initial Value Problems.. Numerische Mathematik, Tome 42 (1983) pp. 271-290. http://gdmltest.u-ga.fr/item/GDZPPN001178105/