@article{1093888514,
author = {Silverstein, Anna},
title = {A generalization of combinatorial operators.},
journal = {Notre Dame J. Formal Logic},
volume = {19},
number = {1},
year = {1978},
pages = { 639-645},
language = {en},
url = {http://dml.mathdoc.fr/item/1093888514}
}
Silverstein, Anna. A generalization of combinatorial operators.. Notre Dame J. Formal Logic, Tome 19 (1978) no. 1, pp. 639-645. http://gdmltest.u-ga.fr/item/1093888514/