Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1970__16_132025, author = {E. L. ALLGOWER}, title = {Criteria for {Positive} {Definiteness} of {Some} {Band} {Matrices.}}, journal = {Numerische Mathematik}, pages = {157--162}, publisher = {mathdoc}, volume = {16}, year = {1970}, zbl = {0207.15501}, url = {http://geodesic.mathdoc.fr/item/NUMA_1970__16_132025/} }
E. L. ALLGOWER. Criteria for Positive Definiteness of Some Band Matrices.. Numerische Mathematik, Tome 16 (1970), pp. 157-162. http://geodesic.mathdoc.fr/item/NUMA_1970__16_132025/