Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TDM_2007_10_a10, author = {V. G. Nikonov}, title = {On the existence of minimal but not shortest disjunctive normal form}, journal = {Trudy po diskretnoj matematike}, pages = {188--201}, publisher = {mathdoc}, volume = {10}, year = {2007}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TDM_2007_10_a10/} }
V. G. Nikonov. On the existence of minimal but not shortest disjunctive normal form. Trudy po diskretnoj matematike, Trudy po Diskretnoi Matematike, Tome 10 (2007), pp. 188-201. http://geodesic.mathdoc.fr/item/TDM_2007_10_a10/