@article{NSJOM_2000_30_3a_8,
     author = {M. 

 Lepovi\'c},
     title = {On 

 spectral complementary graphs},
     journal = {Novi Sad Journal of Mathematics},
     pages = {83-91},
     year = {2000},
     volume = {30},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2000_30_3a_8/}
}