@article{1077492074,
author = {Church, Randolph},
title = {Nunmerical analysis of certain free distributive structures},
journal = {Duke Math. J.},
volume = {6},
number = {1},
year = {1940},
pages = { 732-734},
language = {en},
url = {http://dml.mathdoc.fr/item/1077492074}
}
Church, Randolph. Nunmerical analysis of certain free distributive structures. Duke Math. J., Tome 6 (1940) no. 1, pp. 732-734. http://gdmltest.u-ga.fr/item/1077492074/