Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_2000_1_a8, author = {L. F. Rakhmatullina}, title = {An upper bound for the spectral radius of an isotone operator}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {56--65}, publisher = {mathdoc}, number = {1}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2000_1_a8/} }
L. F. Rakhmatullina. An upper bound for the spectral radius of an isotone operator. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (2000), pp. 56-65. http://geodesic.mathdoc.fr/item/IVM_2000_1_a8/