@article{10_4064_cm99_1_8,
     author = {Krzysztof Fr\k{a}czek},
     title = {On diffeomorphisms with polynomial growth
 of the derivative on surfaces},
     journal = {Colloquium Mathematicum},
     pages = {75--90},
     publisher = {mathdoc},
     volume = {99},
     number = {1},
     year = {2004},
     doi = {10.4064/cm99-1-8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm99-1-8/}
}