Singular operations on algebras (generalized contractions)
Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Tome 20 (1974) no. 1, pp. 1-19. 
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     title = {Singular operations on algebras (generalized contractions)},
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     url = {http://www.numdam.org/item/AIHPA_1974__20_1_1_0/}
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Ginocchio, Maurice. Singular operations on algebras (generalized contractions). Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Tome 20 (1974) no. 1, pp. 1-19. http://www.numdam.org/item/AIHPA_1974__20_1_1_0/

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