@article{10_2298_PIM0578127S,
     author = {Christoph Schmoeger},
     title = {On the {Operator} {Equations} {ABA=A\protect\textsuperscript{2}} and {BAB=B\protect\textsuperscript{2}}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {127 },
     publisher = {mathdoc},
     volume = {_N_S_78},
     number = {92},
     year = {2005},
     doi = {10.2298/PIM0578127S},
     zbl = {1164.47309},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/PIM0578127S/}
}