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@article{MZM_1990_47_1_a11, author = {S. A. Nazarov}, title = {Perturbations of solutions of the {Signorini} problem for a~second-order scalar equation}, journal = {Matemati\v{c}eskie zametki}, pages = {115--126}, publisher = {mathdoc}, volume = {47}, number = {1}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1990_47_1_a11/} }
S. A. Nazarov. Perturbations of solutions of the Signorini problem for a~second-order scalar equation. Matematičeskie zametki, Tome 47 (1990) no. 1, pp. 115-126. http://geodesic.mathdoc.fr/item/MZM_1990_47_1_a11/