@article{02099502,
title = {Bounds for the homological dimensions of pullbacks.},
journal = {Zapiski Nauchnykh Seminarov POMI},
volume = {265},
year = {2002},
pages = {222-228},
zbl = {1052.16006},
language = {en},
url = {http://dml.mathdoc.fr/item/02099502}
}
Kosmatov, N.V. Bounds for the homological dimensions of pullbacks.. Zapiski Nauchnykh Seminarov POMI, Tome 265 (2002) pp. 222-228. http://gdmltest.u-ga.fr/item/02099502/