Geodesic
On Graphs Whose Spectral Spread Does not Exceed 4
Publications de l'Institut Mathématique, _N_S_34 (1983) no. 48, p. 169 .

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

In this paper all minimal graphs with the property of having the spectral spread greater than 4 are determined. In addition, all connected graphs whose spactral does not exceed 4 are described.
Classification : 05C50 
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     author = {Miroslav Petrovi\'c},
     title = {On {Graphs} {Whose} {Spectral} {Spread} {Does} not {Exceed} 4},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {169 },
     publisher = {mathdoc},
     volume = {_N_S_34},
     number = {48},
     year = {1983},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1983_N_S_34_48_a25/}
}
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Miroslav Petrović. On Graphs Whose Spectral Spread Does not Exceed 4. Publications de l'Institut Mathématique, _N_S_34 (1983) no. 48, p. 169 . http://geodesic.mathdoc.fr/item/PIM_1983_N_S_34_48_a25/