@article{10_4064_ba57_2_6,
     author = {Armen Edigarian and Przemys{\l}aw Kli\'s},
     title = {Almost {Properness} of {Extremal} {Mappings}},
     journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
     pages = {129--133},
     publisher = {mathdoc},
     volume = {57},
     number = {2},
     year = {2009},
     doi = {10.4064/ba57-2-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ba57-2-6/}
}