00281nam a2200121Ia 4500008004100000100001600041245002600057250001200083260002400095650001600119942000700135999001700142190216s9999||||xx |||||||||||||| ||und||  aNarayanan.S 0aMathematics Anciliary  a1st Ed.  bViswanathan Pvt.Ltd  aMathematics  cBK  c30568d30568