Demkov, I. N. (1963). Variational principles in the theory of collisions. Macmillan.
Chicago Style (17th ed.) CitationDemkov, IUrii Nikolaevich. Variational Principles in the Theory of Collisions. New York: Macmillan, 1963.
MLA (8th ed.) CitationDemkov, IUrii Nikolaevich. Variational Principles in the Theory of Collisions. Macmillan, 1963.
Warning: These citations may not always be 100% accurate.