00397nam a2200145 a 450000500170000002000180001708200150003510000210005024500360007126000480010730000250015549000360018070000200021670000150023620251203111326.0  a9780521088015  a516.3bVAR  aVaropoulos, N Th  aAnalysis and geometry on groups  aNew DelhibCambridge University Pressc1992  axii,155p.c22cm.bPB  aCambridge Tracts in Mathematics  aSaloff-Coste, L  aCoulhon, T