00743nam a2200217 a 450000500170000002000180001708200160003510000060005111000450005724500570010226000480015930000250020749000590023269000350029169000400032669000340036696400160040099700190041699900190043595200710045420251203110725.0  a9780521596992  a515.35bSYM  d_  aClarkson, Peter A. and Nijhoff, Frank W.  aSymmetries and Integrability of Difference Equations  aCambridgebCambridge University Pressc1999  axvi,424p.c28 cm. PB  aLondon Mathematical Society Lecture Note Seriesdv.255  aDifference equation-congresses  aHypergeometric functions-Congresses  aSymmetry (physics)-Congresses  bcdefg_  a120997 LIBSC C  c100362d100362  00104070aPUbPUd2006-08-29g2352.00l0o515.35 SYMp120997yBK