Citation: L. Cairo et J. Llibre, Integrability of the 2D Lotka-Volterra system via polynomial first integrals and polynomial inverse integrating factors, J PHYS A, 33(12), 2000, pp. 2407-2417
Citation: L. Cairo et al., Darboux method and search of invariants for the Lotka-Volterra and complexquadratic systems, J MATH PHYS, 40(4), 1999, pp. 2074-2091