@BOOK{ Book!D - 90229513,
AUTHOR = " Hans Petter Langtangen, Kent-Andre Mardal.",
TITLE = "Introduction to numerical methods for variational problems /",
LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Finite element method.,Variational inequalities (Mathematics),Finite element method.,Variational inequalities (Mathematics)",
URL = "/book/90229513/Introduction-to-numerical-methods-for-variational/"}