%0 Journal Article %A T. F. Pankratova %T N wells at a circle. Splitting of lower eigenvalues %J Nanosistemy: fizika, himiâ, matematika %D 2018 %P 212-214 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/NANO_2018_9_2_a7/ %G en %F NANO_2018_9_2_a7