Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Dumortier, Freddy and Rodrigues, Paulo R. and Roussarie, Robert H.",Germs of diffeomorphisms in the plane,,Springer-Verlag,1981,Lecture notes in mathematics,,"3540111778,0387111778",,https://cir.nii.ac.jp/crid/1130282272295378176