@Article{         Strang_1968aa,
  author        = {Strang, Gilbert},
  doi           = {10.1137/0705041},
  file          = {Strang_1968aa.pdf},
  journal       = {SIAM Journal on Numerical Analysis},
  keywords      = {splitting,ode},
  langid        = {english},
  number        = {3},
  pages         = {506--517},
  title         = {On the Construction and Comparison of Difference Schemes},
  volume        = {5},
  year          = {1968},
  shortjournal  = {SIAM J. Numer. Anal.}
}