@article{MS2_1968__22_251799, author = {J.R. Isbell}, title = {Correction to }, journal = {Mathematica Scandinavica}, pages = {310--310}, publisher = {mathdoc}, volume = {22}, year = {1968}, zbl = {0184.47602}, url = {http://geodesic.mathdoc.fr/item/MS2_1968__22_251799/} }