@article{GDZPPN00202568X,
title = {Hamiltonian Lines in Infinite Graphs with Few Verticles of Small Valency},
journal = {Aequationes mathematicae},
volume = {7},
year = {1971},
pages = {59-81},
zbl = {0236.05118},
url = {http://dml.mathdoc.fr/item/GDZPPN00202568X}
}
NASH-WILLIAMS, C.ST.J.A. Hamiltonian Lines in Infinite Graphs with Few Verticles of Small Valency. Aequationes mathematicae, Tome 7 (1971) pp. 59-81. http://gdmltest.u-ga.fr/item/GDZPPN00202568X/