References
- Nayfeh , A. Perturbation methods , John Wiley , Chichester , 1973
- Thompson , J. M. T. and Hunt , G. W. A general theory of elastic stability , John Wiley , London , 1973
- De Freitas , J. A.T. and Smith , D.L. Plastic straining, unstressing and displacement perturbation analysis , Int. J. Num.Methods Engng , ( in press )
- Martos , B. Nonlinear Programming , North Holland , Amsterdam , Holland , 1975
- Fritzsche , H. Programacao Nao-Linear , Edgard Bfiicher , 1978
- de Freitas , J. A. T. and Smith , D. L. Flexible bars under large stability , John Wiley , London , 1973 displacements, SMArch., (in press)
- de Freitas , J. A. T. and Smith , D. L. Elastoplastic analysis of planar branching in large structures for large displacements , J. Struct. Mech. , 1984 , 12 , 4