@article{butcher2000numerical,
  title    = {Numerical methods for ordinary differential equations in the 20th century},
  author   = {Butcher, J. C.},
  journal  = {Journal of Computational and Applied Mathematics},
  volume   = {125},
  number   = {1-2},
  pages    = {1--29},
  year     = {2000},
  doi      = {10.1016/S0377-0427(00)00455-6},
  keywords = {equa{\c{c}}{\~o}es diferenciais ordin{\'a}rias, m{\'e}todos de Runge-Kutta}
}

@book{trefethen1997numerical,
  title     = {Numerical Linear Algebra},
  author    = {Trefethen, Lloyd N. and Bau, David},
  publisher = {Society for Industrial and Applied Mathematics (SIAM)},
  year      = {1997},
  keywords  = {{\'a}lgebra linear num{\'e}rica}
}