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@article{TM_1972_117_a0, author = {O. V. Besov}, title = {The behavior of differentiable functions on a nonsmooth surface}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {3--10}, publisher = {mathdoc}, volume = {117}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1972_117_a0/} }
O. V. Besov. The behavior of differentiable functions on a nonsmooth surface. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Investigations in the theory of differentiable functions of many variables and its applications. Part IV, Tome 117 (1972), pp. 3-10. http://geodesic.mathdoc.fr/item/TM_1972_117_a0/