1. Balogh, F., Fonseca, T., Harnad, J.: Finite dimensional Kadomtsev–Petviashvili $$\tau $$-functions. I. J. Math. Phys. 55, 083517 (2014)
2. Biedenharn, L., Louck, J.: A new class of symmetric polynomials defined in terms of tableaux. Adv. Appl. Math. 10, 396–438 (1989)
3. Biedenharn, L., Louck, J.: Inhomogeneous basis set of symmetric polynomials defined by tableaux. Proc. Natl. Acad. Sci. U.S.A. 87, 1441–1445 (1990)
4. Date, E., Jimbo, M., Kashiwara, M., Miwa, T.: Transformation groups for soliton equations IV. A new hierarchy of soliton equations of KP type. Physica 4D, 343–365 (1982)
5. Date, E., Jimbo, M., Kashiwara, M., Miwa, T.: Transformation groups for soliton equations. In: Jimbo, M., Miwa, T. (eds.) Nonlinear Integrable Systems-Classical Theory and Quantum Theory, pp. 39–120. World Scientifc, Singapore (1983)