Chinese Journal of Theoretical and Applied Mechani ›› 1963, Vol. 6 ›› Issue (1): 81-85.doi: 10.6052/0459-1879-1963-1-1963-007

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  1. Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China
  • Received:2008-11-19 Revised:1900-01-01 Online:1963-01-25 Published:1963-01-25