%0 Journal Article %A A. G. Alenizyn %T Splitting of the spectrum generated by a potential barrier in problems with a symmetric potential %J Differencialʹnye uravneniâ %D 1982 %P 1971-1975 %V 18 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_11_a15/ %G ru %F DE_1982_18_11_a15