%0 Journal Article %A V. E. Adler %T Integrable seven-point discrete equations and second-order evolution chains %J Teoretičeskaâ i matematičeskaâ fizika %D 2018 %P 27-43 %V 195 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2018_195_1_a2/ %G ru %F TMF_2018_195_1_a2