@book{12955,
	author = {Pogorelov, Aleksei Vasil'evich. and Silverman, Richard A. ; tr.},
	title = {Hilbert's fourth problem},
	publisher = {V.H. Winston},
	year = {1979},
	series = {Scripta series in Mathematics},
	address = {Washington},
	note = {"Translated from Russian by Richard A. Silverman"}
}