@BOOK{ Book!D - 94178117,
AUTHOR = "/ J. W. Craggs",
TITLE = "Calculus of variations",
LIBRARY= "کتابخانه مرکزی، مرکز اسناد و موزه دانشگاه شهید بهشتی",
SUBJECT = "Calculus of variations - Problems, exercises, etc",
URL = "/book/94178117/Calculus-of-variations/"}