@article{10_4064_ap96_3_6,
     author = {Ewa Ligocka},
     title = {On the extendability of quadratic polynomial mappings of the plane},
     journal = {Annales Polonici Mathematici},
     pages = {283--294},
     publisher = {mathdoc},
     volume = {96},
     number = {3},
     year = {2009},
     doi = {10.4064/ap96-3-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap96-3-6/}
}