%0 Journal Article %A A. M. Akhtyamov %A V. A. Sadovnichy %A Ya. T. Sultanaev %T Generalizations of Borg's uniqueness theorem to the case of nonseparated boundary conditions %J Eurasian mathematical journal %D 2012 %P 10-22 %V 3 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/EMJ_2012_3_4_a1/ %G en %F EMJ_2012_3_4_a1