Acta mathematica scientia,Series B ›› 1991, Vol. 11 ›› Issue (3): 298-300.

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A REMARK ON THE PERTURBATION OF CRITICAL MANIFOLDS

Chang Kung-ching   

  1. Inst. of Math., Beking Univ., Beijing, China
  • Received:1991-01-10 Online:1991-09-25 Published:1991-09-25
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