@article{GDZPPN002042118,
title = {Simple minimum coverings of Kn with copies of K4 - e.},
journal = {Aequationes mathematicae},
volume = {52},
year = {1996},
pages = {284-301},
zbl = {0917.05057},
url = {http://dml.mathdoc.fr/item/GDZPPN002042118}
}
Penfold Street, Anne; Lindner, Charles. Simple minimum coverings of Kn with copies of K4 - e.. Aequationes mathematicae, Tome 52 (1996) pp. 284-301. http://gdmltest.u-ga.fr/item/GDZPPN002042118/