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@article{MOMA_1971__75_177534, author = {Ference Sz\'asz}, title = {On the {Idealizer} of a {Subring.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {65--68}, publisher = {mathdoc}, volume = {75}, year = {1971}, zbl = {0208.04602}, url = {http://geodesic.mathdoc.fr/item/MOMA_1971__75_177534/} }
Ference Szász. On the Idealizer of a Subring.. Monatshefte für Mathematik, Tome 75 (1971), pp. 65-68. http://geodesic.mathdoc.fr/item/MOMA_1971__75_177534/