APA (7th ed.) Citation

Alenit͡syn, I. E. (1969). Extremal problems of the geometric theory of functions. American Mathematical Society.

Chicago Style (17th ed.) Citation

Alenit͡syn, I͡U. E. Extremal Problems of the Geometric Theory of Functions. Providence: American Mathematical Society, 1969.

MLA (9th ed.) Citation

Alenit͡syn, I͡U. E. Extremal Problems of the Geometric Theory of Functions. American Mathematical Society, 1969.

Warning: These citations may not always be 100% accurate.