@article{01194160,
title = {The population dynamics of conflict and cooperation.},
journal = {Documenta Mathematica},
year = {1998},
pages = {325-343},
zbl = {0907.92027},
language = {en},
url = {http://dml.mathdoc.fr/item/01194160}
}
Sigmund, Karl. The population dynamics of conflict and cooperation.. Documenta Mathematica, (1998), pp. 325-343. http://gdmltest.u-ga.fr/item/01194160/