@article{1260475702,
author = {Hu, Pei-Chu and Yang, Chung-Chun},
title = {Global solutions of homogeneous linear partial differential equations of the second order},
journal = {Michigan Math. J.},
volume = {58},
number = {1},
year = {2009},
pages = { 807-831},
language = {en},
url = {http://dml.mathdoc.fr/item/1260475702}
}
Hu, Pei-Chu; Yang, Chung-Chun. Global solutions of homogeneous linear partial differential equations of the second order. Michigan Math. J., Tome 58 (2009) no. 1, pp. 807-831. http://gdmltest.u-ga.fr/item/1260475702/