Chicago University. Department of Mathematics. (1933). Contributions to the calculus of variations. (1933-1937). The University of Chicago.
Cita Chicago (17th ed.)Chicago University. Department of Mathematics. Contributions to the Calculus of Variations. (1933-1937). Chicago: The University of Chicago, 1933.
Cita MLA (9th ed.)Chicago University. Department of Mathematics. Contributions to the Calculus of Variations. (1933-1937). The University of Chicago, 1933.
Atenció: Aquestes cites poden no estar 100% correctes.