%0 Journal Article %A V. B. Matveev %A A. O. Smirnov %T Multiphase solutions of nonlocal symmetric reductions of equations of the~AKNS hierarchy: General analysis and simplest examples %J Teoretičeskaâ i matematičeskaâ fizika %D 2020 %P 383-395 %V 204 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2020_204_3_a4/ %G ru %F TMF_2020_204_3_a4