%0 Journal Article %A V. Khatskevich %T Operator fractional-linear transformations: convexity and compactness of image; applications %J Studia Mathematica %D 1995 %P 189-195 %V 116 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-116-2-189-195/ %R 10.4064/sm-116-2-189-195 %G en %F 10_4064_sm_116_2_189_195