TY - JOUR AU - A. M. Akhtyamov AU - V. A. Sadovnichy AU - Ya. T. Sultanaev TI - Generalizations of Borg's uniqueness theorem to the case of nonseparated boundary conditions JO - Eurasian mathematical journal PY - 2012 SP - 10 EP - 22 VL - 3 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EMJ_2012_3_4_a1/ LA - en ID - EMJ_2012_3_4_a1 ER -