Abstract
In this paper we consider a definition of essentialK-variation for real functions which gives information on the absolute integrability of its approximate derivate on a measurable set.
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Giovannelli, N., Rao, G. & Vetro, C. Sulla K-variazione Essenziale di Una Funzione reale. Rend. Circ. Mat. Palermo 54, 443–450 (2005). https://doi.org/10.1007/BF02874950
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DOI: https://doi.org/10.1007/BF02874950