Cita APA (7a ed.)

Roxin, E. (1961). A geometric interpretation of Pontrjagin's maximun principle. Rias.

Cita Chicago Style (17a ed.)

Roxin, Emilio. A Geometric Interpretation of Pontrjagin's Maximun Principle. Maryland: Rias, 1961.

Cita MLA (9a ed.)

Roxin, Emilio. A Geometric Interpretation of Pontrjagin's Maximun Principle. Rias, 1961.