IDCZAK, Dariusz; WALCZAK, Stanisław. Lagrange problem for fractional ordinary elliptic system via Dubovitskii–Milyutin method. Nonlinear Analysis: Modelling and Control, [S. l.], v. 25, n. 2, p. 321–340, 2020. DOI: 10.15388/namc.2020.25.16520. Disponível em: https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/16520. Acesso em: 3 may. 2025.