@article{00528857,
title = {Independent vertex sets in some compound graphs.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {52(66)},
year = {1992},
pages = {5-9},
zbl = {0808.05083},
language = {en},
url = {http://dml.mathdoc.fr/item/00528857}
}
Gutman, Ivan. Independent vertex sets in some compound graphs.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 52(66) (1992) pp. 5-9. http://gdmltest.u-ga.fr/item/00528857/