@article{1368188,
      author = {Lejeune Dirichlet, Peter Gustav, and Dedekind, Richard,  and Stillwell, John,},
      url = {http://library.usi.edu/record/1368188},
      title = {Lectures on number theory /},
      recid = {1368188},
      pages = {1 online resource (276 pages).},
}