00397nam a2200133 a 450000500170000008200130001710000140003011000760004424500540012026000610017430000070023565300100024265300110025220251203115423.0  a510bVAS  aVasuky, M  aMuruganandam V Dept of Mathematics, Pondicherry University, Pondicherry  aHarmonic analysis over groups of heisen berg type  aDept of Mathematics, Pondicherry University, Pondicherry  a88  aMaths  aM.Phil