%0 Journal Article %A Schleischitz, Johannes %T On a question of Schmidt and Summerer concerning $3$-systems %J Communications in Mathematics %D 2020 %P 253-262 %V 28 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/COMIM_2020__28_3_a0/ %G en %F COMIM_2020__28_3_a0