00287nam a2200109 a 450000500170000002000150001708200180003210000180005024500400006826000430010830000260015120251203110200.0  a8174730281  a330.0151bALL  aAllen, R.G.D.  aMathematical analysis for economics  aNew DelhibA.I.T.B.S. Publishersc1998  axvi,548p.c23 cm P.B.