@article{ZNSL_1997_245_a10,
     author = {A. G. Izergin and E. Karjalainen and N. A. Kitanin},
     title = {Integrable equations for the partition function of the six vertex model},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {207--215},
     publisher = {mathdoc},
     volume = {245},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1997_245_a10/}
}