Some results on graphs with at most two positive eigenvalues.
Petrović, Miroslav
Publications de l'Institut Mathématique. Nouvelle Série, Tome 50(64) (1991), p. 39-50 / Harvested from The Electronic Library of Mathematics
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Publié le : 1991-01-01
MISANU-ID : j_publ_0001556
EUDML-ID : urn:eudml:doc:257874 
@article{00032147,
     title = {Some results on graphs with at most two positive eigenvalues.},
     journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
     volume = {50(64)},
     year = {1991},
     pages = {39-50},
     zbl = {0765.05072},
     language = {en},
     url = {http://dml.mathdoc.fr/item/00032147}
}

Petrović, Miroslav. Some results on graphs with at most two positive eigenvalues.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 50(64) (1991) pp. 39-50. http://gdmltest.u-ga.fr/item/00032147/