参考文献

環論の基礎2：イデアルと剰余環, Mathpedia, 閲覧日 2022-12-21, https://math.jp/wiki/環論の基礎2：イデアルと剰余環#.E5.AE.9A.E7.BE.A9_2.17_.28.E5.89.B0.E4.BD.99.E7.92.B0.29
bwebste, Chinese remainder theorem, PlanetMath, 2013-03-22, 閲覧日 2022-12-21, https://planetmath.org/chineseremaindertheorem1
Hutzler, Nick, First Ring Isomorphism Theorem, MathWorld, 閲覧日 2022-12-21, https://mathworld.wolfram.com/FirstRingIsomorphismTheorem.html
じふ, abがpの倍数ならaまたはbがpの倍数？, はてなブログ, 2022-12-21, 閲覧日 2022-12-21, https://jifblog.hatenablog.com/entry/2022/12/21/130706#fn-aa02d788
Is Ring $\mathbb C[x]/(x^2+1) \cong \mathbb C$, Mathematics Stack Exchange, 閲覧日 2022-12-21, https://math.stackexchange.com/questions/3176986/is-ring-mathbb-cx-x21-cong-mathbb-c
djao, maximal ideal, PlanetMath, 2013-03-22, 閲覧日 2022-12-21, https://planetmath.org/maximalideal