@article{UZKU_2019_161_4_a6,
     author = {M. F. Pavlova and E. V. Rung},
     title = {On the solvability of a variational inequality in the filtration theory},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {552--568},
     publisher = {mathdoc},
     volume = {161},
     number = {4},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2019_161_4_a6/}
}