@article{1183740512,
author = {Baumgartner, James E.},
title = {Chains and Antichains in $\mathscr{P}(\omega)$},
journal = {J. Symbolic Logic},
volume = {45},
number = {1},
year = {1980},
pages = { 85-92},
language = {en},
url = {http://dml.mathdoc.fr/item/1183740512}
}
Baumgartner, James E. Chains and Antichains in $\mathscr{P}(\omega)$. J. Symbolic Logic, Tome 45 (1980) no. 1, pp. 85-92. http://gdmltest.u-ga.fr/item/1183740512/