@BOOK{ Book!D - 77808944,
AUTHOR = "Kumar, Naveen",
TITLE = "An elementary course on variational problems in calculus",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "، Calculus of variations",
URL = "/book/77808944/An-elementary-course-on-variational-problems-in-ca/"}