PUŠENJAK, Rudolf; OBLAK, Maks; LIPIČNIK, Martin. Competitive Predator-Prey Systems with Time-Dependent Coefficients: A Multistage Homotopy Perturbation Analysis. Anali PAZU, [S. l.], v. 2, n. 1, p. 22–31, 2022. DOI: 10.18690/analipazu.2.1.22-31.2012. Disponível em: https://old.journals.um.si/index.php/anali-pazu/article/view/1937. Acesso em: 7 nov. 2025.