@article{BASS_2015_40_1_a3,
     author = {Dragan Stevanovi\'c},
     title = {Walk counts and the spectral radius of graphs},
     journal = {Bulletin de l'Acad\'emie serbe des sciences. Classe des sciences math\'ematiques et naturelles},
     pages = {33 - 57},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {2015},
     url = {http://geodesic.mathdoc.fr/item/BASS_2015_40_1_a3/}
}