@article{1093893653,
author = {Sz\'ekely, D. L.},
title = {The principles of the theory of the unification of sciences.},
journal = {Notre Dame J. Formal Logic},
volume = {10},
number = {1},
year = {1969},
pages = { 181-213},
language = {en},
url = {http://dml.mathdoc.fr/item/1093893653}
}
Székely, D. L. The principles of the theory of the unification of sciences.. Notre Dame J. Formal Logic, Tome 10 (1969) no. 1, pp. 181-213. http://gdmltest.u-ga.fr/item/1093893653/