@article{DAN_1974_218_1_a15,
     author = {R. I. Ayukaev and V. K. Kivran and M. \`E. Aerov},
     title = {On the determination of tortuosity coefficient of a granular porous medium},
     journal = {Doklady Akademii Nauk},
     pages = {66--69},
     publisher = {mathdoc},
     volume = {218},
     number = {1},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_218_1_a15/}
}