@article{hal-00259733,
author = {Rosenstiehl, Pierre and Read, R.C.},
title = {On the principal tripartition of a graph},
journal = {HAL},
volume = {1978},
number = {0},
year = {1978},
language = {en},
url = {http://dml.mathdoc.fr/item/hal-00259733}
}
Rosenstiehl, Pierre; Read, R.C. On the principal tripartition of a graph. HAL, Tome 1978 (1978) no. 0, . http://gdmltest.u-ga.fr/item/hal-00259733/