PISKUNOV N. (1974). DIFFERENTIAL AND INTEGRAL CALCULUS VOL I (2ND.). MIR PUBLISHERS.
Chicago-čujuhus (17. p.)PISKUNOV N. DIFFERENTIAL AND INTEGRAL CALCULUS VOL I. 2ND. MOSCOW: MIR PUBLISHERS, 1974.
MLA-čujuhus (9. p.)PISKUNOV N. DIFFERENTIAL AND INTEGRAL CALCULUS VOL I. 2ND. MIR PUBLISHERS, 1974.
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