Geodesic
Extensions of universal algebras
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Tome 29 (1974) no. 6 
G. I. Zhitomirskii. Extensions of universal algebras. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Tome 29 (1974) no. 6. http://geodesic.mathdoc.fr/item/RM_1974_29_6_a12/
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     author = {G. I. Zhitomirskii},
     title = {Extensions of universal algebras},
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     volume = {29},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1974_29_6_a12/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

[1] L. Rédei, “Die verallgemeinerung der Schreicrschen Erweiterungstheorie”, Acta Sci. Math. Szeged, 14 (1952), 252–273 | MR | Zbl

[2] A. Clifford, “Extensions of semigroups”, Trans. Amer. Soc., 68 (1950), 165–173 | DOI | MR

[3] H. D'Alarcao, “Idempotent separating extensions of inverse semigroups”, J. Austr. Math. Soc., 9:1–2 (1969), 211–217 | DOI | MR

[4] E. G. Shulgeifer, M. S. Tsalenko, Lektsii po teorii kategorii, MGU, 1970 | MR