@article{10_4064_ap_58_1_7_18,
     author = {Zbigniew Le\'sniak},
     title = {On homeomorphic and diffeomorphic solutions of the {Abel} equation on the plane},
     journal = {Annales Polonici Mathematici},
     pages = {7--18},
     publisher = {mathdoc},
     volume = {58},
     number = {1},
     year = {1993},
     doi = {10.4064/ap-58-1-7-18},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-58-1-7-18/}
}