Liusternik, L. A. (1976). The shortest lines: Variational problems. Mir.
Chicago Style (17th ed.) CitationLiusternik, L. A. The Shortest Lines: Variational Problems. Moscow: Mir, 1976.
MLA (9th ed.) CitationLiusternik, L. A. The Shortest Lines: Variational Problems. Mir, 1976.
Warning: These citations may not always be 100% accurate.