JOHNSON, Murugesan; KAVITHA, Krishnan; CHALISHAJAR, Dimplekumar; MALIK, Muslim; VIJAYAKUMAR, Velusamy; SHUKLA, Anurag. An analysis of approximate controllability for Hilfer fractional delay differential equations of Sobolev type without uniqueness. Nonlinear Analysis: Modelling and Control, [S. l.], v. 28, n. 4, p. 632–654, 2023. DOI: 10.15388/namc.2023.28.32118. Disponível em: https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/32118. Acesso em: 19 apr. 2025.