Pickmann Soto, H.R., Arela Pérez, S., Egaña Arancibia, J.C. and Carrasco Olivera, D. 2020. Inverse eigenproblems for real symmetric doubly arrowhead matrices. Proyecciones (Antofagasta, On line). 39, 5 (Oct. 2020), 1315-1331. DOI:https://doi.org/10.22199/issn.0717-6279-2020-05-0080.