00295nam a2200121Ia 4500008004100000100002000041245002600061260003700087300000900124650001600133942000700149999001700156190216s9999||||xx |||||||||||||| ||und||  aNirmala Prakash 0aDifferential Geometry  bTata Mcgrawhill Publishersc1985  a414p  aMathematics  cBK  c30884d30884