1. V. Braibant and C. Fleury, Shape optimal design using b-splines. Comp. Meth. Appl. Mech. Eng.
44, 247–267 (1984).
2. K. Y. Chung, Shape optimization and free boundary problems. Ph.D. Thesis, University of Michigan (1985).
3. K. K. Choi and E. J. Haug, Shape optimization of elastic structure. Soc. Engr. Sci., 21st Annual Mtg. VPI & SU, Blacksburg, VA (1984).
4. Lecture Notes in Math;A Diaz,1984
5. J. E. Taylor and M. P. Bendsøe, An interpretation for minmax structural design problems including a method for relaxing constraints. Int. J. Solids Struct.
20 (4), 301–314 (1984).