Geometry of KDV(4): Abel sums, Jacobi variety, and theta function in the scattering case. H.P. McKean; N. Ercolani — 1990 Inventiones mathematicae
Density of heat curves in the moduli space A. Bobenko; N. Ercolani; H. Knörrer; E. Trubowitz — 1995 Banach Center Publications