@article{10_21136_CMJ_1986_102079,
     author = {Torga\v{s}ev, Aleksandar},
     title = {Graphs whose energy does not exceed 3},
     journal = {Czechoslovak Mathematical Journal},
     pages = {167--171},
     year = {1986},
     volume = {36},
     number = {2},
     doi = {10.21136/CMJ.1986.102079},
     mrnumber = {831303},
     zbl = {0615.05042},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102079/}
}