TY - JOUR AU - Y. Saitō AU - T. Umeda TI - Threshold eigenfunctions and threshold resonances of some relativistic operators JO - Nanosistemy: fizika, himiâ, matematika PY - 2011 SP - 71 EP - 77 VL - 2 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NANO_2011_2_4_a5/ LA - en ID - NANO_2011_2_4_a5 ER -