Problem Formulation for Multidisciplinary Optimization. - Evin J. Cramer; John E. Dennis Jr.; Paul D. Frank; Robert Michael Lewis; Gregory R. Shubin (SIAM J. Optim., 1994)

Problem formulations for systems of systems. - John E. Dennis Jr.; Sharon F. Arroyo; Evin J. Cramer; Paul D. Frank (SMC, 2005)