%0 Journal Article
%A A. Wiszniewska-Matyszkiel
%T The operation of ecosystems and game theory. II. Cooperation.
%J Mathematica Applicanda
%D 2003
%P  56-77
%V 31
%N 45/04
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/ma.v31i45/04.1912/
%R 10.14708/ma.v31i45/04.1912
%G pl
%F 10_14708_ma_v31i45_04_1912