%0 Journal Article %A Christoph Schmoeger %T On the Operator Equations ABA=A2 and BAB=B2 %J Publications de l'Institut Mathématique %D 2005 %P 127 %V _N_S_78 %N 92 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2298/PIM0578127S/ %R 10.2298/PIM0578127S %G en %F 10_2298_PIM0578127S