J. Barthelemy

Optimum sensitivity derivatives of objective functions in nonlinear programming

J. Sobieszczanski-Sobieski, J. Barthelemy, J. M. Barthelemy, 1983 .

Improved multilevel optimization approach for the design of complex engineering systems

J. Barthelemy, M. Riley, J. M. Barthelemy, 1988 .

Two point exponential approximation method for structural optimization

J. Barthelemy, G. Fadel, M. Riley, 1990 .