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Within the standard approach to $CP$ violation in a system of $K^o$ mesons,the normalization factor in the expression for the transition probability$|K^o_1|^2$ contains the $CP$ violation phase. A normalization multiplier forthe transition probability can obviously not contain a phase term. In this worktwo simple methods are proposed for resolving this issue.

A remark concerning the standard approach to $CP$ violation in a system of $K^o$ mesons