@article{VUU_2020_30_2_a12,
     author = {A. I. Filippov and O. V. Akhmetova and A. A. Kovalskii},
     title = {Nonlinear problem of the filtration field of a flat flow},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {324--339},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2020_30_2_a12/}
}