PJ Rabier - Electronic Journal of Differential Equations (EJDE) …, 2011 - eudml.org
\noindent Electronic Journal of Differential Equations , Vol . 20 1 1 ( 201 1 ) , No . 1 0 , pp . 1
−− 1 ISSN : 1 72 − 669 Page 1 \noindent Electronic Journal of Differential Equations , Vol …