@book{7121,
	author = {Novikov, S. P. and Fomenko, A. T.},
	title = {Basic elements of differential geometry and topology /},
	publisher = {Kluwer Academic,},
	year = {1990.},
	series = {Mathematics and its applications (Soviet series) ;},
	address = {Dordrecht ;},
	note = {Translation of: Ėlementy different︠s︡ialʹnoĭ geometrii i topologii.}
}