00283nam a2200109Ia 4500008004100000040001200041082001400053100001600067245004900083260003300132300000800165200103s9999||||xx |||||||||||||| ||und||  aIMU-MPC  aColumn-23  aDanko, P.E. 0aHigher mathematics in problems and exercises  bMir Publishers, Moscowc1983  a400