@article{MAN_1962__148_161006, author = {N.V. SUBRAHMANYAM}, title = {Boolean {Semirings.}}, journal = {Mathematische Annalen}, pages = {395--401}, publisher = {mathdoc}, volume = {148}, year = {1962}, url = {http://geodesic.mathdoc.fr/item/MAN_1962__148_161006/} }