In this paper, we prove generalized Hyres--Ulam--Rassias stability of themixed type additive, quadratic and cubic functional equation$$f(x+ky)+f(x-ky)=k^2f(x+y)+k^2f(x-y)+2(1-k^2)f(x)$$ for fixed integers $k$with $k\neq0,\pm1$ in non-Archimedean spaces.
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机译：本文证明了混合型加性，二次函数和三次函数方程$$ f（x + ky）+ f（x-ky）= k ^ 2f（x + y）+的广义Hyres-Ulam-Rassias稳定性对于非Archimedean空间中的固定整数$ k $和$ k \ neq0，\ pm1 $，k ^ 2f（xy）+2（1-k ^ 2）f（x）$$
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