@inproceedings{paulo2000local,
title={Local solvability for a class of differential complexes},
author={Paulo D. Cordaro, and Jorge G. Hounie},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203339100663615},
booktitle={Acta Mathematica},
volume={187},
number={2},
pages={191-212},
year={2000},
}
Paulo D. Cordaro, and Jorge G. Hounie. Local solvability for a class of differential complexes. 2000. Vol. 187. In Acta Mathematica. pp.191-212. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203339100663615.