00285nam a2200109 a 450000500170000002000150001708200180003210000250005024500420007526000380011730000200015520251203110108.0  a9810228368  a516.36,NICb_  aNicolaescu, Liviu I.  aLectures on the geometry of Manifolds  aSingaporebWorld Scientificc1996  axvi,481p.c22cm