@article{PIM_1984_N_S_36_50_a3,
     author = {Aleksandar Torga\v{s}ev},
     title = {Graphs with the {Reduced} {Spectrum} in the {Unit} {Interval}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {17 },
     publisher = {mathdoc},
     volume = {_N_S_36},
     number = {50},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1984_N_S_36_50_a3/}
}