Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Javad Asadollahi and Shokrollah Salarian,On the vanishing of Ext over formal triangular matrix rings,Forum Mathematicum,0933-7741,Walter de Gruyter GmbH,2006-01-20,18,6,951,https://cir.nii.ac.jp/crid/1362262945217716224,https://doi.org/10.1515/forum.2006.048