1. Anh, N.H.: Restriction of the principal series of S
L(n,C) to some reductive subgroups. Pac. J. Math. 38, 295–314 (1971)
2. Asherova, R.M., Smirnov, Yu. F., Tolstoi, B.N.: Projection operators for simple lie groups II. General scheme for constructing lowering operators. The groups S
U(n). Theor. Math. Phys. 15(1), 392–401 (1973)
3. Baird, G.E., Biedenharn, L.C.: On the Representations of the Semisimple Lie Groups. II. J. Math. Phys. 4(1449), 1449–1466 (1963)
4. Fulton, W.: Young tableaux With applications to representation theory and geometry. Cambridge University Press, Cambridge (1997)
5. Gelfand, I.M., Graev, M.I.: Finite-dimensional irreducible representations of the unitary and complete linear group and special functions associated with them. (Russian) Izv. Akad. Nauk SSSR Ser. Mat. 29, 1329–1356 (1965). English transl. in Amer. Math. Soc. Transl. Series 2 64 (1965), 116-146