TY  - JOUR
AU  - Piotr Ossowski
AU  - Janusz Zieliński
TI  - Polynomial algebra of constants
 of the four variable Lotka–Volterra system
JO  - Colloquium Mathematicum
PY  - 2010
SP  - 299
EP  - 309
VL  - 120
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm120-2-9/
DO  - 10.4064/cm120-2-9
LA  - fr
ID  - 10_4064_cm120_2_9
ER  -