Shuzhong Zhang. Quadratic maximization and semidefinite relaxation. Math. Program., 87(3):453-465, 2000. [doi]
@article{Zhang00-12, title = {Quadratic maximization and semidefinite relaxation}, author = {Shuzhong Zhang}, year = {2000}, doi = {10.1007/s101070050006}, url = {http://dx.doi.org/10.1007/s101070050006}, researchr = {https://researchr.org/publication/Zhang00-12}, cites = {0}, citedby = {0}, journal = {Math. Program.}, volume = {87}, number = {3}, pages = {453-465}, }