@article{1102811644,
author = {Slater, Peter J. and V\'elez, William Yslas},
title = {Permutations of the positive integers with restrictions on the sequence of differences.},
journal = {Pacific J. Math.},
volume = {73},
number = {2},
year = {1977},
pages = { 193-196},
language = {en},
url = {http://dml.mathdoc.fr/item/1102811644}
}
Slater, Peter J.; Vélez, William Yslas. Permutations of the positive integers with restrictions on the sequence of differences.. Pacific J. Math., Tome 73 (1977) no. 2, pp. 193-196. http://gdmltest.u-ga.fr/item/1102811644/