TY - JOUR AU - A. Duviryak TI - Large-$j$ Expansion Method for Two-Body Dirac Equation JO - Symmetry, integrability and geometry: methods and applications PY - 2006 VL - 2 UR - http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a28/ LA - en ID - SIGMA_2006_2_a28 ER -