On Continuous Functions which are Partially Differentiable Almost Everywhere

Autor:	L. V. Toralballa
Rok vydání:	1969
Předmět:	Pure mathematics General Mathematics Almost everywhere Differentiable function Weak derivative Mathematics
Zdroj:	Canadian Mathematical Bulletin. 12:668-672
ISSN:	1496-4287 0008-4395
DOI:	10.4153/cmb-1969-086-0
Popis:	In the theory of surface area one meets situations where a function z = f(x, y) which is defined and continuous on a closed rectangle E, is partially differentiable on E except on a subset of E of Lebesgue measure zero.
Databáze:	OpenAIRE
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