%0 Journal Article %A D. V. Nekhaev %A A. I. Shafarevich %T A~quasiclassical limit of the spectrum of a~Schr\"odinger operator with complex periodic potential %J Sbornik. Mathematics %D 2017 %P 1535-1556 %V 208 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2017_208_10_a6/ %G en %F SM_2017_208_10_a6