Borobia, A., Canogar, R. and Smigoc, H. 2017. A matrix completion problem over integral domains: the case with 2n — 3 prescribed blocks. Proyecciones (Antofagasta, On line). 33, 2 (Mar. 2017), 215-233. DOI:https://doi.org/10.4067/S0716-09172014000200007.