Protter, Murray H. <br/><br/>
Maximum principles in differential equations/ 
[by] Murray H. Protter [and] Hans F. Weinberger. 
 - Englewood Cliffs, N.J.:  Prentice-Hall,  [1967]. 
 - x, 261 p.:  illus.,  24 cm. 
 - Prentice-Hall partial differential equations series .
<br/><br/>Bibliography: p. 240-255. 
<br/><br/><label>LCCN: </label>67013069 //r892 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.<br/>Maximum principles (Mathematics)
<br/><br/><label>Dewey Class. No.: </label>515.35  / P967m