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@article{MS2_1975__37_166442, author = {Ingegerd Palm\'er}, title = {The global homological dimension of semi-trival extensions of rings.}, journal = {Mathematica Scandinavica}, pages = {223--256}, publisher = {mathdoc}, volume = {37}, year = {1975}, zbl = {0327.16018}, url = {http://geodesic.mathdoc.fr/item/MS2_1975__37_166442/} }
Ingegerd Palmér. The global homological dimension of semi-trival extensions of rings.. Mathematica Scandinavica, Tome 37 (1975), pp. 223-256. http://geodesic.mathdoc.fr/item/MS2_1975__37_166442/