@misc{Krzyż_Jan_G._(1923-2009)_Fuchsian, author={Krzyż, Jan G. (1923-2009)}, howpublished={online}, publisher={Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej}, language={eng}, type={artykuł}, title={Fuchsian Groups Isomorphism, Conformally Natural Quasiconformal Extension and Harmonic Mappings}, keywords={matematyka}, }