@article{CRMATH_2015__353_7_595_0,
     author = {Petkov, Vesselin and Stoyanov, Luchezar},
     title = {Ruelle operators with two complex parameters and applications},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {595--599},
     publisher = {Elsevier},
     volume = {353},
     number = {7},
     year = {2015},
     doi = {10.1016/j.crma.2015.04.005},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2015.04.005/}
}