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@article{MZM_1994_55_1_a7, author = {A. D. Myshkis}, title = {Extremum of a function obtained by ordering two specified smooth functions}, journal = {Matemati\v{c}eskie zametki}, pages = {66--73}, publisher = {mathdoc}, volume = {55}, number = {1}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1994_55_1_a7/} }
A. D. Myshkis. Extremum of a function obtained by ordering two specified smooth functions. Matematičeskie zametki, Tome 55 (1994) no. 1, pp. 66-73. http://geodesic.mathdoc.fr/item/MZM_1994_55_1_a7/
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