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@article{PORMA_1997__54_4_48037, author = {Ferreira, F.F. and Pinto, A.A.}, title = {Existence of eigenvalues for (uaa) {Markov} maps.}, journal = {Portugaliae mathematica}, pages = {421--429}, publisher = {mathdoc}, volume = {54}, number = {4}, year = {1997}, zbl = {0903.58025}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1997__54_4_48037/} }
Ferreira, F.F.; Pinto, A.A. Existence of eigenvalues for (uaa) Markov maps.. Portugaliae mathematica, Tome 54 (1997) no. 4, pp. 421-429. http://geodesic.mathdoc.fr/item/PORMA_1997__54_4_48037/