@book{67294,
	author = {Demya︡nov, V. F. and Rubinov, Aleksandr Moiseevich,},
	title = {Approximate methods in optimization problems /},
	publisher = {American Elsevier Pub. Co.,},
	year = {1970.},
	series = {Modern analytic and computational methods in science and mathematics,},
	address = {New York :},
	edition = {2. ed.},
	note = {Translation of Priblizhennye metody reshenii︠a︡ ėkstremalʹnykh zadach.}
}