@article{NSJOM_2013_43_1a_13,
     author = {Tamara Koledin, and Zoran Stani\'c},
     title = {Regular graphs whose second largest eigenvalue is at most 1},
     journal = {Novi Sad Journal of Mathematics},
     pages = {145-153},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {2013},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2013_43_1a_13/}
}