@article{59779,
      note = {Companion to the author's Discrete variable methods in  ordinary differential equations.},
      author = {Henrici, Peter,},
      url = {http://library.usi.edu/record/59779},
      title = {Error propagation for difference methods.},
      publisher = {Wiley},
      recid = {59779},
      pages = {vi, 73 p.},
      address = {New York,},
      year = {1963},
}