@article{1183742025,
author = {Velickovic, Boban},
title = {Jensen's $\square$ Principles and the Novak Number of Partially Ordered Sets},
journal = {J. Symbolic Logic},
volume = {51},
number = {1},
year = {1986},
pages = { 47-58},
language = {en},
url = {http://dml.mathdoc.fr/item/1183742025}
}
Velickovic, Boban. Jensen's $\square$ Principles and the Novak Number of Partially Ordered Sets. J. Symbolic Logic, Tome 51 (1986) no. 1, pp. 47-58. http://gdmltest.u-ga.fr/item/1183742025/