1. Optimal shape design for differential inequalities;Butt,1988
2. Inequalities in Mechanics and Physics;Duvaut,1976
3. Structural design optimization, homogenization and relaxation of variational problems;Khon,1981
4. Explicit relaxation of a variational problem in optimal design;Khon;Bull. Amer. Math. Soc.,1983
5. Optimal design for torsional rigidity in hybrid and mixed finite element method;Khon,1983