@article{GDZPPN002404168,
title = {Examples of Cohen-Macaulay Rings which are not Gorenstein.},
journal = {Mathematische Zeitschrift},
volume = {111},
year = {1969},
pages = {109-111},
zbl = {0184.29201},
url = {http://dml.mathdoc.fr/item/GDZPPN002404168}
}
Eagon, John A. Examples of Cohen-Macaulay Rings which are not Gorenstein.. Mathematische Zeitschrift, Tome 111 (1969) pp. 109-111. http://gdmltest.u-ga.fr/item/GDZPPN002404168/