TY - JOUR AU - ZieliƄski, Janusz AU - Ossowski, Piotr TI - Rings of constants of generic 4D Lotka-Volterra systems JO - Czechoslovak Mathematical Journal PY - 2013 SP - 529 EP - 538 VL - 63 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1007/s10587-013-0035-z/ DO - 10.1007/s10587-013-0035-z LA - en ID - 10_1007_s10587_013_0035_z ER -