A proof of the Schwarz theorem on mixed partial derivatives via elementary approximation theory
André Pierro de Camargo
Universidade Federal do ABC, Santo André, Brazil
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Cite this article
André Pierro de Camargo, A proof of the Schwarz theorem on mixed partial derivatives via elementary approximation theory. Elem. Math. 75 (2020), no. 3, pp. 125–128
DOI 10.4171/EM/413