참고문헌
- A. Fosner: On the generalized Hyers-Ulam stability of module left (m; n)-derivations. Aequationes. Math. 84 (2012), 91-98. https://doi.org/10.1007/s00010-012-0124-3
- Y. Jung: On the generalized Hyers-Ulam stability of module left derivations. J. Math. Anal. Appl. 339 (2008), 108-114. https://doi.org/10.1016/j.jmaa.2007.07.003