00457nam a2200133Ia 4500082001700000100003300017245010600050260003400156300002000190490003900210500000500249700003500254700003400289  a516bD894.GD  aDumortier, Freddy and Others  aGerms of diffeomorphisms in the planebcBy Freddy Dumortier, Paulo R. Rodrigues and Robert Roussarie  aBerlinbSpringer-Verlagc1981  aiv, 197p. Index  aLecture notes in Mathematicsv 902  a  aRodrigues, Paulo R. ;jt. auth.  aRoussarie, Robert ; jt. auth.