@misc{Szynal_Jan_Old, author={Szynal, Jan and Sobczak-Kneć, Magdalena and Starkov, Viktor V.}, howpublished={online}, publisher={Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej}, language={eng}, type={artykuł}, title={Old and new order of linear invariant family of harmonic mappings and the bound for Jacobian}, keywords={planar harmonic mappings, Jacobian, linear invariant family}, }