1 | | Differential equations and dynamical systems / Lawrence Perko . - 2nd ed. - Boca Raton : Chapman & Hall/CRC, 2008. - xxxiii, 1108 p. : ill. ; 27 cm. - ( Handbooks of mathematical equations ) Mã xếp giá: 515.45 P76Đăng ký cá biệt: Lầu 2 KLF: 2000007483 |
2 | | Differential equations and dynamical systems / Lawrence Perko . - 3rd ed. - New York : Springer, 2001. - xiv, 555 pages ; 24 cm. - ( Texts in Applied Mathematics 7 ) Mã xếp giá: 515.353 P4Đăng ký cá biệt: Lầu 2 KLF: 2000007477 |