@inbook{c1cabad4b6fb43f5b80f8505443279b8,
title = "Elements of nonsmooth analysis",
abstract = "A differential construct that applies to nonsmooth functions is useful in general. The proximal supergradient admits a very complete calculus for upper semicontinuous functions and perfectly suits the nonsmooth L2 -gain analysis to be developed in this chapter.",
keywords = "First-order PDE, Hamilton–Jacobi inequality, Nonsmooth analysis, Proximal sub(super)-gradient, Viscosity solution",
author = "Orlov, {Yury V.} and Aguilar, {Luis T.}",
note = "Publisher Copyright: {\textcopyright} 2014, Springer Science+Business Media, New York.",
year = "2014",
doi = "10.1007/978-1-4939-0292-7_5",
language = "Ingl{\'e}s",
series = "Systems and Control: Foundations and Applications",
publisher = "Birkhauser",
number = "9781493902910",
pages = "67--80",
booktitle = "Systems and Control",
edition = "9781493902910",
}