01286nam a2200361 i 450099100123907970753620020507113259.0940219s1989 ||| ||| | eng b10192906-39ule_instLE00644467ExLDip.to Fisicaita53.1.353.1.5153.453.553.753.8510.20510.22International Colloquium on group theoretical methods in physics46387717 seventeenth International Colloquium on group theoretical methods in physics /Y. Saint-Aubin, L. Vinet (eds.)Singapore :World Scientific,19891 v.International colloquium on group theoretical methods in physics ;17Group theoryCongressesSaint-Aubin, Y.Vinet, Luc.b1019290617-02-1727-06-02991001239079707536LE006 510.20 SAI12006000098496le006-E0.00-l- 00000.i1023802527-06-02Seventeenth International Colloquium on group theoretical methods in physics191753UNISALENTOle00601-01-94ma -engxx 31