@article{DAN_1968_180_4_a20,
     author = {V. A. Timofeeva},
     title = {Similarity criterion in the optics of turbid media},
     journal = {Doklady Akademii Nauk},
     pages = {847--850},
     publisher = {mathdoc},
     volume = {180},
     number = {4},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_180_4_a20/}
}