Left almost split morphisms and generalized Weyl algebras
Matematičeskie zametki, Tome 66 (1999) no. 5, pp. 734-740.

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     title = {Left almost split morphisms and generalized {Weyl} algebras},
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     number = {5},
     year = {1999},
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G. E. Puninskii. Left almost split morphisms and generalized Weyl algebras. Matematičeskie zametki, Tome 66 (1999) no. 5, pp. 734-740. http://geodesic.mathdoc.fr/item/MZM_1999_66_5_a9/

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