@article{UZKU_2007_149_4_a4,
     author = {A. A. Akhtareev and R. Z. Dautov},
     title = {Mixed variable technique for simulating unsaturated-saturated flows},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {58--72},
     publisher = {mathdoc},
     volume = {149},
     number = {4},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2007_149_4_a4/}
}