00353nam a2200121Ia 4500082001700000100002300017245007100040260004800111300000900159490005300168500000500221700000500226  a512bM684.EA  aMitra, Sujit Kumar  aElements of algebra; a self study course for statistics studentsb  aCalcuttabIndian Statistical Institutecn.d  a52p.  aIndian Statistical Institute, Calcutta, R. T. S.  a  a