@article{746224,
      author = {Agarwal, Ravi P., and Karapınar, Erdal, and O'Regan,  Donal, and Roldán-López-de-Hierro, Antonio Francisco,},
      url = {http://library.usi.edu/record/746224},
      title = {Fixed point theory in metric type spaces [electronic  resource] /},
      recid = {746224},
      pages = {1 online resource},
}