%0 Journal Article
%A N. V. Kosmatov
%T Upper bound of the~global dimension of pullback rings
%J Fundamentalʹnaâ i prikladnaâ matematika
%D 1999
%P 1251-1253
%V 5
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FPM_1999_5_4_a18/
%G ru
%F FPM_1999_5_4_a18