@article{1164060456, author = {Liu, Andreas}, title = {Bounds for covering numbers}, journal = {J. Symbolic Logic}, volume = {71}, number = {1}, year = {2006}, pages = { 1303-1310}, language = {en}, url = {http://dml.mathdoc.fr/item/1164060456} }
Liu, Andreas. Bounds for covering numbers. J. Symbolic Logic, Tome 71 (2006) no. 1, pp. 1303-1310. http://gdmltest.u-ga.fr/item/1164060456/