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@article{MS2_1957__5_165659, author = {WILLIAM HANF}, title = {On some fundamental problems concerning isomorphism of {Boolean} algebras}, journal = {Mathematica Scandinavica}, pages = {205--217}, publisher = {mathdoc}, volume = {5}, year = {1957}, zbl = {0081.26101}, url = {http://geodesic.mathdoc.fr/item/MS2_1957__5_165659/} }
WILLIAM HANF. On some fundamental problems concerning isomorphism of Boolean algebras. Mathematica Scandinavica, Tome 5 (1957), pp. 205-217. http://geodesic.mathdoc.fr/item/MS2_1957__5_165659/