Geodesic
Generic solutions for some integrable lattice equations
Teoretičeskaâ i matematičeskaâ fizika, Tome 99 (1994) no. 2, pp. 177-184 
L. V. Bogdanov. Generic solutions for some integrable lattice equations. Teoretičeskaâ i matematičeskaâ fizika, Tome 99 (1994) no. 2, pp. 177-184. http://geodesic.mathdoc.fr/item/TMF_1994_99_2_a2/
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     title = {Generic solutions for some integrable lattice equations},
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     url = {http://geodesic.mathdoc.fr/item/TMF_1994_99_2_a2/}
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Voir la notice de l'article provenant de la source Math-Net.Ru

We derive the expressions for $\psi$-functions and generic solutions of lattice principal chiral equations, lattice KP hierarchy and hierarchy including lattice $N$-wave type equations. $\tau$-function of $n$ free fermions plays fundamental role in this context. Miwa's coordinates in our case appear as the lattice parameters.

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