@article{DAN_1988_300_3_a11, author = {V. V. Kolokolchikov}, title = {Anisotropy reduced to fictitious isotropy by transformations of}, journal = {Doklady Akademii Nauk}, pages = {567--570}, publisher = {mathdoc}, volume = {300}, number = {3}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_300_3_a11/} }