TY - JOUR AU - A. Ya. Silenko TI - Comparative analysis of direct and “step-by-step" Foldy–Wouthuysen transformation methods JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2013 SP - 189 EP - 204 VL - 176 IS - 2 UR - http://geodesic.mathdoc.fr/item/TMF_2013_176_2_a1/ LA - ru ID - TMF_2013_176_2_a1 ER -