%0 Journal Article %A A. V. Borovskikh %T Eikonal equation for anisotropic media %J Trudy Seminara im. I.G. Petrovskogo %D 2013 %P 162-229 %V 29 %N 29 %I mathdoc %U http://geodesic.mathdoc.fr/item/TSP_2013_29_29_a3/ %G ru %F TSP_2013_29_29_a3