@book{Belokolos:1994:AGA,
author = {Belokolos, E. D. and Bobenko, A. I. and Enol'skii, V. Z. and Its,
A. R. and Matveev, V. B.},
title = {Algebro-geometric Approach to Nonlinear Integrable Problems},
series = {Springer Series in Nonlinear Dynamics},
publisher = {Springer-Verlag},
address = {Berlin},
year = {1994},
pages = {xii+337},
isbn = {3-540-50265-3},
zblno = {0809.35001}}