@article{GDZPPN002110164,
title = {Poincar\'e series and holomorphic averaging.},
journal = {Inventiones mathematicae},
volume = {110},
year = {1992},
pages = {23-28},
zbl = {0769.30036},
url = {http://dml.mathdoc.fr/item/GDZPPN002110164}
}
Barrett, David E.; Diller, Jeffrey. Poincaré series and holomorphic averaging.. Inventiones mathematicae, Tome 110 (1992) pp. 23-28. http://gdmltest.u-ga.fr/item/GDZPPN002110164/