@article{AUPO_1999_38_1_a11, author = {Machala, Franti\v{s}ek}, title = {Incidence structures of independent sets}, journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica}, pages = {113--118}, year = {1999}, volume = {38}, number = {1}, mrnumber = {1767196}, zbl = {0974.08001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AUPO_1999_38_1_a11/} }