@article{10_21136_AM_1974_103530,
     author = {Lommatzsch, Klaus},
     title = {Ein notwendiges und hinreichendes {Optimalit\"atskriterium} f\"ur allgemeine quadratische {Optimierungsprobleme}},
     journal = {Applications of Mathematics},
     pages = {193--197},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {1974},
     doi = {10.21136/AM.1974.103530},
     mrnumber = {0368781},
     zbl = {0315.90060},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1974.103530/}
}