Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1972__19_132148, author = {K.G. Guderley and C.L. Keller}, title = {A {Basic} {Theorem} in the {Computation} of {Ellipsoidal} {Error} {Bounds.}}, journal = {Numerische Mathematik}, pages = {218--229}, publisher = {mathdoc}, volume = {19}, year = {1972}, zbl = {0227.65046}, url = {http://geodesic.mathdoc.fr/item/NUMA_1972__19_132148/} }
K.G. Guderley; C.L. Keller. A Basic Theorem in the Computation of Ellipsoidal Error Bounds.. Numerische Mathematik, Tome 19 (1972), pp. 218-229. http://geodesic.mathdoc.fr/item/NUMA_1972__19_132148/