00323nam a2200133Ia 45000030006000000080041000060400015000471000038000622450040001002500011001402600009001515460012001600050017001720STCL150530s9999 xx 000 0 und d aSTCLcSTCL aArfken George, B.; Weber Hans, J. aMathematical methods for physicists aFourth c1995 aEnglish20220125170126.0