TY - JOUR AU - A. I. Nikishov TI - Equivalent Sets of Solutions of the Klein--Gordon Equation with a Constant Electric Field JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2003 SP - 77 EP - 89 VL - 136 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2003_136_1_a5/ LA - ru ID - TMF_2003_136_1_a5 ER -