%0 Journal Article %A I. V. Krivchenkov %T Developing the eikonal method in nonlinear electrodynamics based on the geometrization principle %J Teoretičeskaâ i matematičeskaâ fizika %D 2007 %P 112-117 %V 150 %N 1 %U http://geodesic.mathdoc.fr/item/TMF_2007_150_1_a5/ %G ru %F TMF_2007_150_1_a5