@article{PMB_2001____A5_0, author = {Kosmatov, Nikolai}, title = {On the homological dimensions of pullbacks}, journal = {Publications math\'ematiques de Besan\c{c}on. Alg\`ebre et th\'eorie des nombres}, eid = {5}, pages = {1--5}, publisher = {Universit\'e de Franche-Comt\'e et CNRS}, year = {2001}, doi = {10.5802/pmb.a-97}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.5802/pmb.a-97/} }