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@article{TRSPY_1974_131_a15, author = {M. K. Potapov}, title = {The structural and constructive characterization of certain classes of functions}, journal = {Informatics and Automation}, pages = {211--231}, publisher = {mathdoc}, volume = {131}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1974_131_a15/} }
M. K. Potapov. The structural and constructive characterization of certain classes of functions. Informatics and Automation, Investigations in the theory of differentiable functions of many variables and its applications. Part V, Tome 131 (1974), pp. 211-231. http://geodesic.mathdoc.fr/item/TRSPY_1974_131_a15/