@article{articleadc286f5,
title   = {Solvability near the characteristic set for a special class of complex vector fields},
author = {Dattori da Silva, Paulo Leandro and Silva, Evandro Raimundo da},
year = {2012},
doi = {10.1007/s00013-011-0351-1},
journal   = {Archiv der Mathematik}
}