00301nam a2200121Ia 45000030006000000080041000060400015000471000025000622450054000872600009001415460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aNaraniengar, M.T. Ed  aJournal of the Indian mathematical society vol 14  c1922  aEnglish20220125170027.0