@book{12678,
	author = {Kobayashi, Shoshichi and Nomizy, Kotsumi and Nomizy, Kotsumi ; jt. auth.},
	title = {Foundations of differential geometry},
	publisher = {Interscience Publication},
	year = {1969},
	series = {Interscience tracts in Pure and Applied Mathematics, 15},
	address = {New York}
}