@article{275323,
      author = {Estep, Donald J.,},
      url = {http://library.usi.edu/record/275323},
      title = {Practical analysis in one variable /},
      publisher = {Springer,},
      recid = {275323},
      pages = {xx, 621 p. :},
      address = {New York :},
      year = {2002},
}