Ecole Polytechnique & Societe Mathematique de France <br/><br/>
Seminaire equations aux derivees parteilles. 1987-88 
Ecole Polytechnique & Societe Mathematique de France 
 - France  Ecole Polytechnique  1988 
 - 263 
<br/><br/><label>Dewey Class. No.: </label>10.02  / ECOL