@article{BUMI_2012_9_5_1_a2,
     author = {Cresson, Jacky and Raissy, Jasmin},
     title = {About the {Trimmed} and the {Poincar\'e-Dulac} {Normal} {Form} of {Diffeomorphisms}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {55--80},
     publisher = {mathdoc},
     volume = {Ser. 9, 5},
     number = {1},
     year = {2012},
     zbl = {1250.32027},
     mrnumber = {2919648},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2012_9_5_1_a2/}
}