Jorgensen, Palle E. T. Operators and representation theory : canonical models for algebras of operators arising in quantum mechanics / - New York: Dover, 2008 - xii, 337p. Bibl. Index. "Purchased under NBHM grant for the year 2009-2010" ISBN: 9780486466651 Dewey Class. No.: 515.72 / J82.OR