00358nam a2200133Ia 4500008004000000020001600040082001600056100002000072245004700092260003300139300000800172440000600180650003800186210210b1952   xxu||||| |||| 00| 0 eng d  a486 60159 5  a515.02 KNOP  aKNOPP (Konrad).  aProblem book in the theory of functions.V1  aNYbDover Publicationsc1952  a126  a1  aProblem theory functions advanced