%0 Journal Article %A V. L. Vereshchagin %T Integrable boundary conditions for $(2+1)$-dimensional models of mathematical physics %J Teoretičeskaâ i matematičeskaâ fizika %D 2012 %P 430-437 %V 171 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_2012_171_3_a5/ %G ru %F TMF_2012_171_3_a5