%0 Journal Article %A A. R. Its %A V. B. Matveev %T Schr\"odinger operators with finite-gap spectrum and $N$-soliton solutions of the Korteweg--de~Vries equation %J Teoretičeskaâ i matematičeskaâ fizika %D 1975 %P 51-68 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1975_23_1_a5/ %G ru %F TMF_1975_23_1_a5