00305nam a2200121Ia 4500008004100000040001200041082001400053100001600067245004900083250001000132260003300142300000800175200103s9999||||xx |||||||||||||| ||und||  aIMU-MPC  aColumn-22  aDanko, P.E. 0aHigher mathematics in problems and exercises  aPrt 2  bMir Publishers, Moscowc1983  a480