@BOOK{ Book!D - 101392169,
AUTHOR = "M.L. Krasnov, G.I. Makarenko, A.I. Kiselev; translated from the Russian by George Yankovsky",
TITLE = "Problems and exercises in the calculus of variations",
LIBRARY= "کتابخانه پژوهشگاه دانشهای بنیادی",
SUBJECT = "Problems, exercises, etc ، Calculus of variations",
URL = "/book/101392169/Problems-and-exercises-in-the-calculus-of-variatio/"}