@article{IVM_1994_9_a4,
     author = {R. Z. Dautov},
     title = {A~scheme of accuracy $O(h^2)$ for determining the free boundary for a~one-dimensional problem with an obstacle},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {39--48},
     publisher = {mathdoc},
     number = {9},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1994_9_a4/}
}