00260nam a2200121Ia 45000030006000000080041000060400015000471000015000622450023000772600009001005460012001090050017001210STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHadley, G.  aLinear programming  c1969  aEnglish20220125170045.0