Boyce William E.
Elementary differential equations - 7th ed - New York John Wiley& Sons 2001 - 592 p.
ГФ 16520
Англи хэл дээр,
0-471-31998-8
mathematics differential equations elementary differential equations
Elementary differential equations - 7th ed - New York John Wiley& Sons 2001 - 592 p.
ГФ 16520
Англи хэл дээр,
0-471-31998-8
mathematics differential equations elementary differential equations