%0 Journal Article %A P. G. Grinevich %A P. M. Santini %T The finite-gap method and the periodic Cauchy problem for $(2+1)$-dimensional anomalous waves for the focusing Davey–Stewartson $2$ equation %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2022 %P 1029-1059 %V 77 %N 6 %U http://geodesic.mathdoc.fr/item/RM_2022_77_6_a2/ %G en %F RM_2022_77_6_a2