@article{PIM_1980_N_S_27_41_a31,
     author = {Slobodan K. Simi\'c},
     title = {Graphs {Which} {Are} {Switching} {Equivalent} {To} {Their} {Complementary} {Line} {Graphs} {I}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {229 },
     publisher = {mathdoc},
     volume = {_N_S_27},
     number = {41},
     year = {1980},
     url = {http://geodesic.mathdoc.fr/item/PIM_1980_N_S_27_41_a31/}
}