@article{TM_1995_211_a13,
     author = {A. K. Kerimov},
     title = {The generalized implicit function theorem and the obstacle problem},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {203--234},
     publisher = {mathdoc},
     volume = {211},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1995_211_a13/}
}