@article{10_4153_CMB_2016_073_2,
     author = {Stoyanov, Luchezar},
     title = {On {Gibbs} {Measures} and {Spectra} of {Ruelle} {Transfer} {Operators}},
     journal = {Canadian mathematical bulletin},
     pages = {411--421},
     year = {2017},
     volume = {60},
     number = {2},
     doi = {10.4153/CMB-2016-073-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2016-073-2/}
}