Alexandrov A. Zabrodin A., “Free Fermions and Tau-Functions”, J. Geom. Phys., 67 (2013), 37–80
M. Adler, A. Morozov, T. Shiota, P. van Moerbeke, “New matrix model solutions to the Kac-Schwarz problem”, Nuclear Physics B - Proceedings Supplements, 49:1-3 (1996), 201
P. G. Grinevich, A. Yu. Orlov, Research Reports in Physics, Problems of Modern Quantum Field Theory, 1989, 86
L. O. Chekhov, A. D. Mironov, A. V. Zabrodin, “Multiloop calculations inp-adic string theory and Bruhat-Tits trees”, Commun.Math. Phys., 125:4 (1989), 675