00339nam a2200121Ia 4500082001600000100002600016245006700042260004800109300001000157490004000167500000500207700000500212  a512bK61.CQ  aKirwan, Frances Clare  aCohomology of quotients in symplectic and algebraic geometryb  aPrincetonbPrinceton University Pressc1984  a210p.  aPrinceton Mathematical notesv v.31  a  a