Krasnov, M. L., Kiselev, A. I., Makarenko, G. I., & Yankovsky, G. (1975). Problems and exercises in the calculus of variations (Revised from the 1973 Russian edition.). Mir Publishers.
Chicago Style (17th ed.) CitationKrasnov, M. L., A. I. Kiselev, G. I. Makarenko, and George Yankovsky. Problems and Exercises in the Calculus of Variations. Revised from the 1973 Russian edition. Moscow: Mir Publishers, 1975.
MLA (8th ed.) CitationKrasnov, M. L., et al. Problems and Exercises in the Calculus of Variations. Revised from the 1973 Russian edition. Mir Publishers, 1975.
Warning: These citations may not always be 100% accurate.