@article{KUKZ_1964_1_1_a2,
     author = {N. B. Il'inskii},
     title = {An inverse mixed problem of the theory of filtration},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {19--28},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1964_1_1_a2/}
}