Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1966__8_131714, author = {J. PONSTEIN}, title = {Splitting {Certain} {Eigenvalue} {Eigenvector} {Problems.}}, journal = {Numerische Mathematik}, pages = {412--421}, publisher = {mathdoc}, volume = {8}, year = {1966}, zbl = {0228.65030}, url = {http://geodesic.mathdoc.fr/item/NUMA_1966__8_131714/} }
J. PONSTEIN. Splitting Certain Eigenvalue Eigenvector Problems.. Numerische Mathematik, Tome 8 (1966), pp. 412-421. http://geodesic.mathdoc.fr/item/NUMA_1966__8_131714/