Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1983__41_132840, author = {N.M. Temme}, title = {The {Numerical} {Computation} of the {Confluent} {Hypergeometric} {Function} {U(a,b,z)}}, journal = {Numerische Mathematik}, pages = {63--82}, publisher = {mathdoc}, volume = {41}, year = {1983}, zbl = {0489.33001}, url = {http://geodesic.mathdoc.fr/item/NUMA_1983__41_132840/} }
N.M. Temme. The Numerical Computation of the Confluent Hypergeometric Function U(a,b,z). Numerische Mathematik, Tome 41 (1983), pp. 63-82. http://geodesic.mathdoc.fr/item/NUMA_1983__41_132840/