%0 Journal Article
%A V. I. Astaf'ev
%A P. V. Roters
%T Modeling of doubly periodic system of producing wells. 2. Productivity index
%J Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ
%D 2011
%P 118-127
%N 8
%U http://geodesic.mathdoc.fr/item/VSGU_2011_8_a12/
%G ru
%F VSGU_2011_8_a12