Binhua Feng Kai Wang 0042 Optimal Bilinear Control of Nonlinear Hartree Equations with Singular Potentials. 756-771 2016 170 J. Optim. Theory Appl. 3 https://doi.org/10.1007/s10957-016-0976-0 db/journals/jota/jota170.html#FengW16