Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1974__23_132319, author = {J. Schr\"oder}, title = {Upper and {Lower} {Bounds} for {Solutions} of {Generalized} {Two-Point} {Boundary} {Value} {Problems.}}, journal = {Numerische Mathematik}, pages = {433--457}, publisher = {mathdoc}, volume = {23}, year = {1974}, zbl = {0293.65058}, url = {http://geodesic.mathdoc.fr/item/NUMA_1974__23_132319/} }
J. Schröder. Upper and Lower Bounds for Solutions of Generalized Two-Point Boundary Value Problems.. Numerische Mathematik, Tome 23 (1974), pp. 433-457. http://geodesic.mathdoc.fr/item/NUMA_1974__23_132319/