%0 Journal Article %A C.ST.J.A. NASH-WILLIAMS %T Hamiltonian Lines in Infinite Graphs with Few Verticles of Small Valency %J Aequationes mathematicae %D 1971 %P 59-81 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1971__7_136221/ %F AM2_1971__7_136221