@book{243595,
	author = {Dickson, David C. M. and Hardy, Mary R.},
	title = {Actuarial mathematics for life contingent risks /},
	publisher = {Cambridge University Press,},
	year = {2013 (2018).},
	series = {International series on acturial science.},
	address = {Cambridge :},
	edition = {2nd ed.}
}