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Mechanisms different from the well-known DOL-systems are proposed for construction of cube-free words. A generator is presented,
which is described by logical programming means and models the process of derivation in arbitrary grammars.
Translated from Kibernetika i Sistemnyi Analiz, No. 6, pp. 18–25, November–December, 1999. 相似文献
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乐茂华 《吉林化工学院学报》2005,22(2):71-71,86
对于正整数n,设ZW(n)是n的伪无平方因子函数.解决了有关函数ZW(n)的三个积性方程. 相似文献
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