Erling S. Andersen Etienne de Klerk Levent Tunçel Henry Wolkowicz Shuzhong Zhang Foreword: Special issue on large-scale nonlinear and semidefinite programming. 207-209 2007 109 Math. Program. 2-3 http://dx.doi.org/10.1007/s10107-006-0037-9 db/journals/mp/mp109.html#AndersenKTWZ07