APA (7th ed.) Citation

Ivić, A., & Schwarz, W. (1978). Remarks on some number-theoretical functional equations. Aequationes Mathematicae, 18(1/2), 399. https://doi.org/10.1007/BF03031697

Chicago Style (17th ed.) Citation

Ivić, A., and W. Schwarz. "Remarks on Some Number-theoretical Functional Equations." Aequationes Mathematicae 18, no. 1/2 (1978): 399. https://doi.org/10.1007/BF03031697.

MLA (9th ed.) Citation

Ivić, A., and W. Schwarz. "Remarks on Some Number-theoretical Functional Equations." Aequationes Mathematicae, vol. 18, no. 1/2, 1978, p. 399, https://doi.org/10.1007/BF03031697.