00259nam a2200109Ia 4500008004100000041001200041082001100053100001800064245005500082260000600137650000600143221030s9999    xx            000 0 und d  aEnglish  a105.23  aA.  C. Sarkar 0aDegree Mathematics Tutor Vol. IIcby A.  C. Sarkar  c0  aB