@article{UZKU_2013_155_2_a3,
     author = {A. P. Gogin and M. M. Karchevsky},
     title = {On {Error} {Estimates} for a {Variant} of the {Mixed} {Finite} {Element} {Method}},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {44--53},
     publisher = {mathdoc},
     volume = {155},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2013_155_2_a3/}
}