@article{UZKU_2011_153_4_a0,
     author = {A. P. Gogin and M. M. Karchevsky},
     title = {An iterative method for mixed finite element schemes},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {5--10},
     publisher = {mathdoc},
     volume = {153},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2011_153_4_a0/}
}