@BOOK{ Book!D - 77722651,
AUTHOR = "Mickens, Ronald E.",
TITLE = "......................",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "Numerical solutions ، Differential equations, Nonlinear,، Approximation theory,، Nonlinear oscillators",
URL = "/book/77722651//"}