Frantisek Mráz. Local minimizer of a nonconvex quadratic programming problem. Computing, 45(3):283-289, 1990. [doi]
@article{Mraz90, title = {Local minimizer of a nonconvex quadratic programming problem}, author = {Frantisek Mráz}, year = {1990}, doi = {10.1007/BF02250640}, url = {http://dx.doi.org/10.1007/BF02250640}, researchr = {https://researchr.org/publication/Mraz90}, cites = {0}, citedby = {0}, journal = {Computing}, volume = {45}, number = {3}, pages = {283-289}, }