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@article{MZ_1977__154_172519, author = {Judita Cofman}, title = {On {Ternary} {Rings} of {Derivable} {Planes.}}, journal = {Mathematische Zeitschrift}, pages = {157--158}, publisher = {mathdoc}, volume = {154}, year = {1977}, zbl = {0363.50014}, url = {http://geodesic.mathdoc.fr/item/MZ_1977__154_172519/} }
Judita Cofman. On Ternary Rings of Derivable Planes.. Mathematische Zeitschrift, Tome 154 (1977), pp. 157-158. http://geodesic.mathdoc.fr/item/MZ_1977__154_172519/