@article{1093956552,
author = {Lyngholm, Carl and Yourgrau, Wolfgang},
title = {A double-iteration property of Boolean functions.},
journal = {Notre Dame J. Formal Logic},
volume = {1},
number = {1-2},
year = {1960},
pages = { 111-114},
language = {en},
url = {http://dml.mathdoc.fr/item/1093956552}
}
Lyngholm, Carl; Yourgrau, Wolfgang. A double-iteration property of Boolean functions.. Notre Dame J. Formal Logic, Tome 1 (1960) no. 1-2, pp. 111-114. http://gdmltest.u-ga.fr/item/1093956552/