@article{DAN_1973_210_3_a12,
     author = {A. B. Kazansky},
     title = {The theory of porous medium sinuosity coefficient},
     journal = {Doklady Akademii Nauk},
     pages = {552--554},
     publisher = {mathdoc},
     volume = {210},
     number = {3},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_210_3_a12/}
}