@book{19392, author = {Vilenkin, N. I͡A︡. and Klimyk, A. U.}, title = {Representation of Lie groups and special functions /}, publisher = {Kluwer Academic Publishers,}, year = {1991-c1993.}, series = {Mathematics and its applications. Soviet series ;}, address = {Dordrecht ;}, url = {http://www.loc.gov/catdir/enhancements/fy0823/91030537-d.html} }