%0 Journal Article %A Y. Saitō %A T. Umeda %T Threshold eigenfunctions and threshold resonances of some relativistic operators %J Nanosistemy: fizika, himiâ, matematika %D 2011 %P 71-77 %V 2 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/NANO_2011_2_4_a5/ %G en %F NANO_2011_2_4_a5