@article{1256045631,
author = {Friedman, N. A. and Thomas, E. S.},
title = {Higher order sweeping out},
journal = {Illinois J. Math.},
volume = {29},
number = {4},
year = {1985},
pages = { 401-417},
language = {en},
url = {http://dml.mathdoc.fr/item/1256045631}
}
Friedman, N. A.; Thomas, E. S. Higher order sweeping out. Illinois J. Math., Tome 29 (1985) no. 4, pp. 401-417. http://gdmltest.u-ga.fr/item/1256045631/