@article{10_4064_sm_139_1_81_90,
     author = {J. J. Koliha},
     title = {Elements of {C*-algebras} commuting with their {Moore-Penrose} inverse},
     journal = {Studia Mathematica},
     pages = {81--90},
     publisher = {mathdoc},
     volume = {139},
     number = {1},
     year = {2000},
     doi = {10.4064/sm-139-1-81-90},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-139-1-81-90/}
}