Publications by W. Steven Gray There are ... items referenced. Alternative author names: W. Steven Gray, W.Steven Gray. 2000 -- Kenji Fujimoto, Jacquelien M.A. Scherpen, W. Steven GrayHamiltonian Realizations of Nonlinear Adjoint Operators 2002 -- Kenji Fujimoto, Jacquelien M.A. Scherpen, W.Steven GrayHamiltonian realizations of nonlinear adjoint operators