@article{1183732207,
author = {Svenonius, Lars},
title = {Definability and Simplicity},
journal = {J. Symbolic Logic},
volume = {20},
number = {1},
year = {1955},
pages = { 235-250},
language = {en},
url = {http://dml.mathdoc.fr/item/1183732207}
}
Svenonius, Lars. Definability and Simplicity. J. Symbolic Logic, Tome 20 (1955) no. 1, pp. 235-250. http://gdmltest.u-ga.fr/item/1183732207/