%0 Journal Article %A Magajna, Bojan %T A System of Operator Equations %J Canadian mathematical bulletin %D 1987 %P 200-209 %V 30 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1987-029-2/ %R 10.4153/CMB-1987-029-2 %F 10_4153_CMB_1987_029_2