Elbetch, B. “NONLINEAR ASYMMETRIC DISPERSAL IN TWO-PATCH SOURCE-SINK HETEROGENEOUS ENVIRONMENT”. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), vol. 17, no. 1, July 2026, pp. 17-51, doi:10.69650/jnao.2026.17.1.3146.