@article{PMB_1998____A1_0,
     author = {Kosmatov, Nikolai},
     title = {On the global and weak dimensions of pullbacks of non-commutative rings},
     journal = {Publications math\'ematiques de l'UFR Sciences et techniques de Besan\c{c}on. Th\'eorie des nombres},
     eid = {1},
     pages = {1--8},
     publisher = {Universit\'e de Franche-Comt\'e et CNRS},
     year = {1998},
     doi = {10.5802/pmb.a-86},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/pmb.a-86/}
}