%0 Journal Article %A DeQin Qiu %A Cong Lv %T Riemann–Hilbert approach and $N$-soliton solutions of the generalized mixed nonlinear Schrödinger equation with nonzero boundary conditions %J Teoretičeskaâ i matematičeskaâ fizika %D 2021 %P 274-304 %V 209 %N 2 %U http://geodesic.mathdoc.fr/item/TMF_2021_209_2_a4/ %G ru %F TMF_2021_209_2_a4