@article{1256051226,
author = {Ungar, Gerald S.},
title = {Relations between the covering homotopy and slicing structure properties},
journal = {Illinois J. Math.},
volume = {18},
number = {4},
year = {1974},
pages = { 236-245},
language = {en},
url = {http://dml.mathdoc.fr/item/1256051226}
}
Ungar, Gerald S. Relations between the covering homotopy and slicing structure properties. Illinois J. Math., Tome 18 (1974) no. 4, pp. 236-245. http://gdmltest.u-ga.fr/item/1256051226/