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[期刊论文] 作者:Han Yazhou,Luo Xuebo,Niu Pengcheng, 来源:偏微分方程(英文版) 年份:2005
Let Xj, j = 1,…, k, be first order smooth quasi-homogeneous vector fields on Rn with the property that the dimension of the Lie algebra generated by these vect...
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