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二级参考文献3
1钟万勰.弹性接触问题的变分原理及参数二次规划求解[J]计算结构力学及其应用,1985(02).
2钟万勰.弹性接触问题的势能原理及其算法[J]计算结构力学及其应用,1985(01).
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