@ARTICLE{
author={Koskela Pekka,Lammi Paivi,Manojlovic Vesna P},
year={2014},
title={Gromov Hyperbolicity and Quasihyperbolic Geodesics},
journal={ANNALES SCIENTIFIQUES DE L ECOLE NORMALE SUPERIEURE},
volume={47},
number={5},
pages={975-990},
document_type={Article},
} 

@ARTICLE{
author={Koskela Pekka,Manojlovic Vesna P},
year={2012},
title={Quasi-Nearly Subharmonic Functions and Quasiconformal Mappings},
journal={POTENTIAL ANALYSIS},
volume={37},
number={2},
pages={187-196},
document_type={Article},
}