共 21 条
- [1] Aczel J., 1989, FUNCTIONAL EQUATIONS
- [2] [Anonymous], 1993, INT J MATH MATH SCI
- [3] Czerwik S., 1994, Stability of Mappings of Hyers-Ulam Type, P81
- [4] Forti G. L., 1995, AEQUATIONES MATH, V50, P143, DOI DOI 10.1007/BF01831117
- [5] Forti G.L., 1980, STOCHASTICA, V4, P23, DOI DOI 10.1080/17442508008833155
- [8] Hyers D.H., 1998, Stability of Functional Equations in Several Variables