%0 Journal Article %A A. P. Katchalov %T Quasijets in anisotropic media, Finsler geometry, and Fermi coordinates %J Zapiski Nauchnykh Seminarov POMI %D 2006 %P 48-69 %V 332 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2006_332_a3/ %G ru %F ZNSL_2006_332_a3