“Quasi-isotropic” approximation of geometrical optics
Doklady Akademii Nauk, Tome 183 (1968) no. 1, pp. 74-76
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@article{DAN_1968_183_1_a18,
author = {Yu. A. Kravtsov},
title = {{\textquotedblleft}Quasi-isotropic{\textquotedblright} approximation of geometrical optics},
journal = {Doklady Akademii Nauk},
pages = {74--76},
year = {1968},
volume = {183},
number = {1},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1968_183_1_a18/}
}
Yu. A. Kravtsov. “Quasi-isotropic” approximation of geometrical optics. Doklady Akademii Nauk, Tome 183 (1968) no. 1, pp. 74-76. http://geodesic.mathdoc.fr/item/DAN_1968_183_1_a18/