Two pairs of heteroclinic orbits coined in a new sub-quadratic Lorenz-like systemHaijun Wang, Guiyao Ke, Jun Pan, Feiyu Hu, Hongdan Fan and Qifang SuEur. Phys. J. B, 96 3 (2023) 28DOI: https://doi.org/10.1140/epjb/s10051-023-00491-5