@article{sunagua2020gradientes,
author = "P. Suñagua",
title = "Método de Gradientes Conjugados Precondicionado",
year = 2020,
journal = "Revista Boliviana de Matemática",
publisher = "Carrera de Matemática - Universidad Mayor de San Andrés",
volume = 4,
number = 1,
pages = "2-7",
month = "Aug",
url = "http://cmat.umsa.bo/revmat/rbm4/psunagua_gcp.pdf"
}