@article{articlee558a8ba,
title   = {Solvability near the characteristic set for a class of planar vector fields of infinite type},
author = {Bergamasco, Adalberto Panobianco and Meziani, Abdelhamid},
year = {2005},
doi = {10.5802/aif.2090},
journal   = {Annales de L'Institut Fourier}
}