@article{1102995272, author = {Day, George W.}, title = {Free complete extensions of Boolean algebras.}, journal = {Pacific J. Math.}, volume = {15}, number = {4}, year = {1965}, pages = { 1145-1151}, language = {en}, url = {http://dml.mathdoc.fr/item/1102995272} }
Day, George W. Free complete extensions of Boolean algebras.. Pacific J. Math., Tome 15 (1965) no. 4, pp. 1145-1151. http://gdmltest.u-ga.fr/item/1102995272/