Ball, J M, ed. <br/><br/>
Systems of nonlinear partial differential equations; Proceedings of the NATO Advanced Study Institute on Systems of Nonlinear Partial Differential Equations, Oxford, U K, July 25-Aug 7, 1982 

 - Dordrecht  D Reidel  1982 
 - ix, 481 p. 
<br/><br/><label>Dewey Class. No.: </label>515.353 B21S