@article{10_4064_sm_116_2_189_195,
     author = {V. Khatskevich},
     title = {Operator fractional-linear transformations: convexity and compactness of image; applications},
     journal = {Studia Mathematica},
     pages = {189--195},
     publisher = {mathdoc},
     volume = {116},
     number = {2},
     year = {1995},
     doi = {10.4064/sm-116-2-189-195},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-116-2-189-195/}
}