@book{6533,
	author = {Fomenko, A. T.},
	title = {Variational principles in topology :},
	publisher = {Kluwer Academic,},
	year = {c1990.},
	series = {Mathematics and its application (soviet series)},
	address = {Dordrecht [Netherlands] :},
	note = {Revised translation of: Topologicheskie variat͡s︡ionnye zadachi.}
}