00326nam a2200121Ia 4500082001700000100002400017245006100041260003600102300001500138490004100153500000500194700000500199 a513bH927.IL aHumphreys, James E. aIntroduction to lie algebras and representation theoryb aNew YorkbSpringer-Verlagc1972 axii, 169p. aGraduate texts in Mathematicsv v. 9 a a