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@article{AIHPA_1968__9_1_7_0, author = {Fuchs, G\'erard}, title = {About {O'Raifeartaigh's} theorem}, journal = {Annales de l'I.H.P. Physique th\'eorique}, pages = {7--16}, publisher = {Gauthier-Villars}, volume = {9}, number = {1}, year = {1968}, mrnumber = {241063}, zbl = {0162.58201}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AIHPA_1968__9_1_7_0/} }
Fuchs, Gérard. About O'Raifeartaigh's theorem. Annales de l'I.H.P. Physique théorique, Tome 9 (1968) no. 1, pp. 7-16. http://geodesic.mathdoc.fr/item/AIHPA_1968__9_1_7_0/