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[1] Chien Wei-zang and Yeh Kai-yuan,Elastic Mechanics,Science Publishing House(October,1956).(in Chinese)
[2] Washizu,K.,Variational Method in Elasticity and Plasticity(second edition),Pergamon Press(1975).
[3] Fu Bao-lian,The method of transformation of boundaries for admissible displacement of the structure,Applied Mathematics and Mechanics,(to appear).