00380nam a2200133Ia 4500008004100000041000800041084001100049100002900060245005300089260005800142546001700200653001300217653001600230160807s1972    xx            000 0 mal d  amal  aB62CC  aChandrasekharan Nair, K.  aJyamithiya varappu /cby K. Chandrasekharan Nair  aThiruvananthapuram :bKerala Bhasha Institute,c1972.  aIn Malayalam  aGeometry  aMathematics