%0 Journal Article %A I. G. Korepanov %T Vacuum curves and classical integrable systems in $2+1$ discrete dimensions %J Zapiski Nauchnykh Seminarov POMI %D 1996 %P 273-286 %V 235 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1996_235_a14/ %G en %F ZNSL_1996_235_a14