@article{GDZPPN002022095, title = {Covering Problems for Dichotomized Matchings.}, journal = {Aequationes mathematicae}, volume = {1}, year = {1968}, pages = {94-103}, zbl = {0159.03004}, url = {http://dml.mathdoc.fr/item/GDZPPN002022095} }
Stanton, R.G. Covering Problems for Dichotomized Matchings.. Aequationes mathematicae, Tome 1 (1968) pp. 94-103. http://gdmltest.u-ga.fr/item/GDZPPN002022095/