Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1980__36_132703, author = {W. Gander}, title = {Least {Squares} with a {Quadratic} {Constraint.}}, journal = {Numerische Mathematik}, pages = {291--308}, publisher = {mathdoc}, volume = {36}, year = {1980}, zbl = {0437.65031}, url = {http://geodesic.mathdoc.fr/item/NUMA_1980__36_132703/} }
W. Gander. Least Squares with a Quadratic Constraint.. Numerische Mathematik, Tome 36 (1980), pp. 291-308. http://geodesic.mathdoc.fr/item/NUMA_1980__36_132703/