@article{silva_morales_oliveira_2011, title={Variational data assimilation: mathematical foundations and one application}, volume={26}, ISSN={0102-7786}, url={https://doi.org/10.1590/S0102-77862011000300009}, DOI={10.1590/S0102-77862011000300009}, number={3}, journal={Revista Brasileira de Meteorologia}, publisher={Sociedade Brasileira de Meteorologia}, author={Silva, Paulo S. D. da and Morales, Gudélia and Oliveira, Príscila H. G.}, year={2011}, month={Sept}, pages={433–442} }