@article{GDZPPN002053772,
title = {L'it\'eration directe des op\'erateurs hermitiens.},
journal = {Commentarii mathematici Helvetici},
volume = {16},
year = {1943},
pages = {65-72},
zbl = {0028.23402},
url = {http://dml.mathdoc.fr/item/GDZPPN002053772}
}
Wavre, R. L'itération directe des opérateurs hermitiens.. Commentarii mathematici Helvetici, Tome 16 (1943) pp. 65-72. http://gdmltest.u-ga.fr/item/GDZPPN002053772/