00310nam a2200121Ia 45000030006000000080041000060400015000471000015000622450073000772600009001505460012001590050017001710STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aLinnik, V.  aMethods of least scuares and principles of the theory of observation  c1961  aEnglish20220125170035.0