00281nam a2200121Ia 45000030006000000080041000060400015000471000017000622450024000792600027001035460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKhanna, M.L.  aTheory of equations  bJai Prakash Nathc1964  aEnglish20220125165934.0