@unpublished{publication-4242,
	author={Drimus, Gabriel G},
	doi={10.2139/ssrn.1743495},
	institution={University of Zurich},
	issn={1556-5068},
	number=1743495,
	pages=8,
	series={SSRN},
	title={Volatility-of-volatility : A simple model free motivation},
	year=2011,
}