@article{10_4064_cm_76_2_181_190,
     author = {Janusz Mierczy\'nski},
     title = {Three-dimensional cooperative irreducible systems with a first integral},
     journal = {Colloquium Mathematicum},
     pages = {181--190},
     publisher = {mathdoc},
     volume = {76},
     number = {2},
     year = {1998},
     doi = {10.4064/cm-76-2-181-190},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-76-2-181-190/}
}