00338nam a2200121Ia 45000030006000000080041000060400015000471000050000622450066001122600009001785460012001870050017001990STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBibhutibhusan Datta; Avadhesh Narayanan Singh  aHistory of Hindu mathematics a source book part I and part II  c1938  aEnglish20220125170030.0