TY - JOUR AU - I. V. Krivchenkov TI - Developing the~eikonal method in nonlinear electrodynamics based on the~geometrization principle JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2007 SP - 112 EP - 117 VL - 150 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2007_150_1_a5/ LA - ru ID - TMF_2007_150_1_a5 ER -