00323nam a2200121Ia 4500082002100000100001600021245006200037260003500099300000600134490005100140500000500191700000500196  a515.35bAm514.NP  aAmes, W. F.  aNonlinear partial differential equations in engineeringb  aNew YorkbAcademic Pressc1972  a   aMathematics in Science and Engineeringv v. 18  a  a