TY - JOUR AU - A. V. Shchelkachev TI - Relativistically invariant representation of arbitrary bilinear combinations of Dirac spinors JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1993 SP - 3 EP - 22 VL - 96 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1993_96_1_a0/ LA - ru ID - TMF_1993_96_1_a0 ER -