APA (7th ed.) Citation

Alexits, G. (1961). Convergence problems of orthogonal series. Pergamon Press.

Chicago Style (17th ed.) Citation

Alexits, Gyorgy. Convergence Problems of Orthogonal Series. New York: Pergamon Press, 1961.

MLA (8th ed.) Citation

Alexits, Gyorgy. Convergence Problems of Orthogonal Series. Pergamon Press, 1961.