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@article{MM2_1974__13_154259, author = {Joel S. Cohen and Arthur B. Stephens}, title = {Optimization {Problems} for {KG.}}, journal = {Manuscripta mathematica}, pages = {131--142}, publisher = {mathdoc}, volume = {13}, year = {1974}, zbl = {0287.46080}, url = {http://geodesic.mathdoc.fr/item/MM2_1974__13_154259/} }
Joel S. Cohen; Arthur B. Stephens. Optimization Problems for KG.. Manuscripta mathematica, Tome 13 (1974), pp. 131-142. http://geodesic.mathdoc.fr/item/MM2_1974__13_154259/