@article{GDZPPN002237016, title = {Global dimensions of dual extension algebras.}, journal = {Manuscripta mathematica}, volume = {86}, year = {1995}, pages = {25-32}, zbl = {0851.16003}, url = {http://dml.mathdoc.fr/item/GDZPPN002237016} }
Xi, Changchang. Global dimensions of dual extension algebras.. Manuscripta mathematica, Tome 86 (1995) pp. 25-32. http://gdmltest.u-ga.fr/item/GDZPPN002237016/