00421nam a2200133Ia 4500082001900000100002600019245007800045260003500123300002800158490003500186500005600221500000500277700000500282  a512.5bR934.DG  aRuiz, Juan J. Morales  aDifferential Galois theory and non-integrability of Hamiltonian systemsb  aBaselbBirkhauser Verlagc1999  axiv, 165p. Index, Bibl.  aProgress in Mathematics v 179  a"Purchased under NBHM grant for the year 1999-2000"  a  a