@article{10_4064_cm_13_1_81_93,
     author = {Z. Charzy\'nski and J. {\L}awrynowicz},
     title = {On conformality points of certain mappings preserving locally the area},
     journal = {Colloquium Mathematicum},
     pages = {81--93},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {1964},
     doi = {10.4064/cm-13-1-81-93},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-13-1-81-93/}
}