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@article{AM2_1996__52_1-2_137661, author = {Diane Donovan and Joan Cooper}, title = {Critical sets in back circulant latin squares.}, journal = {Aequationes mathematicae}, pages = {157--179}, publisher = {mathdoc}, volume = {52}, number = {1-2}, year = {1996}, zbl = {0859.05025}, url = {http://geodesic.mathdoc.fr/item/AM2_1996__52_1-2_137661/} }
Diane Donovan; Joan Cooper. Critical sets in back circulant latin squares.. Aequationes mathematicae, Tome 52 (1996) no. 1-2, pp. 157-179. http://geodesic.mathdoc.fr/item/AM2_1996__52_1-2_137661/