APA (7th ed.) Citation

Ambos-Spies, K. (2014). Numberings and learnability. Lobachevskii journal of mathematics, 35(4), . https://doi.org/10.1134/S1995080214040106

Chicago Style (17th ed.) Citation

Ambos-Spies, Klaus. "Numberings and Learnability." Lobachevskii Journal of Mathematics 35, no. 4 (2014). https://doi.org/10.1134/S1995080214040106.

MLA (9th ed.) Citation

Ambos-Spies, Klaus. "Numberings and Learnability." Lobachevskii Journal of Mathematics, vol. 35, no. 4, 2014, https://doi.org/10.1134/S1995080214040106.