@article{AFM_2010_35_2_a8,
     author = {Riku Kl\'en},
     title = {Close-to-convexity of quasihyperbolic and j-metric balls},
     journal = {Annales Fennici Mathematici},
     pages = {493--501},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {2010},
     doi = {10.5186/aasfm.2010.3530},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2010.3530/}
}