@article{10_4064_sm_137_2_169_175,
     author = {V. Khatskevich},
     title = {Generalized fractional linear transformations: convexity and compactness of the image and the pre-image; applications.},
     journal = {Studia Mathematica},
     pages = {169--175},
     publisher = {mathdoc},
     volume = {137},
     number = {2},
     year = {1999},
     doi = {10.4064/sm-137-2-169-175},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-137-2-169-175/}
}