%0 Journal Article %A A. A. Dosi %T Quantum system structures of quantum spaces and entanglement breaking maps %J Sbornik. Mathematics %D 2019 %P 928-993 %V 210 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2019_210_7_a1/ %G en %F SM_2019_210_7_a1