TY - GEN AU - Gaeta, Giuseppe, CN - QC174.17.S9 CY - Hackensack, N.J. : DA - c2005. ID - 412196 KW - Symmetry (Physics) KW - Perturbation (Mathematics) LK - https://univsouthin.idm.oclc.org/login?url=http://site.ebrary.com/lib/usiricelib/Doc?id=10174058 PB - World Scientific, PP - Hackensack, N.J. : PY - c2005. T1 - Symmetry and perturbation theoryproceedings of the international conference SPT 2004, Cala Gonone, Sardinia, Italy, 30 May - 6 June 2004 / TI - Symmetry and perturbation theoryproceedings of the international conference SPT 2004, Cala Gonone, Sardinia, Italy, 30 May - 6 June 2004 / UR - https://univsouthin.idm.oclc.org/login?url=http://site.ebrary.com/lib/usiricelib/Doc?id=10174058 ER -