Partial differential equations 
Proceedings of the Fourth Symposium in Pure Mathematics of the American Mathematical Society. Charles B. Morrey, Jr., editor 
 - Providence, R.I.  American Mathematical Society  1961 
 - vi, 169 pages ;   26 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0821814044 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial--Congresses