@article{GDZPPN002225794, title = {Extensions of hereditary algebras.}, journal = {Manuscripta mathematica}, volume = {46}, year = {1984}, pages = {55-84}, zbl = {0549.16018}, url = {http://dml.mathdoc.fr/item/GDZPPN002225794} }
Marmaridis, Nikolaos. Extensions of hereditary algebras.. Manuscripta mathematica, Tome 46 (1984) pp. 55-84. http://gdmltest.u-ga.fr/item/GDZPPN002225794/