00335nam a2200097Ia 4500008004100000082002000041100002200061245010100083260003300184300002000217260421b        |||||||| |||| 00| 0 eng d  a515.35bW423.FC  aWeinberger, H. F.  aA first course in partial differential equations with complex variables and transform methodsb/  aNew York:bJohn Wiley,c1965  aix, 446p. Index