Παραπομπή APA

Girsanov, I. V. (1972). Lectures on mathematical theory of extremum problems. Springer.

Παραπομπή Chicago Style

Girsanov, Igor Vladimirovich. Lectures on Mathematical Theory of Extremum Problems. Berlin, New York: Springer, 1972.

Παραπομπή MLA

Girsanov, Igor Vladimirovich. Lectures on Mathematical Theory of Extremum Problems. Springer, 1972.