00407nam a2200157Ia 4500008004100000082001400041100001900055245003800074260003300112300000800145650001600153650001800169653002600187700001900213700001700232170901s1964    xx            000 0 und d  a515bB21P  aBaranenkov, G. 0aProblems in Mathematical Analysis  aMoscowbMir Publishersc1964  a496  aMathematics  aPure Sciences  aMathematical analysis  aDemidovich, B.  aEfimenko, V.