@article{ZNSL_2006_332_a3,
     author = {A. P. Katchalov},
     title = {Quasijets in anisotropic media, {Finsler} geometry, and {Fermi} coordinates},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {48--69},
     publisher = {mathdoc},
     volume = {332},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2006_332_a3/}
}