BibTeX
@ARTICLE{
         Peaceman1955TNS,
       AUTHOR = "D. W. Peaceman and H. H. {Rachford, Jr.}",
       TITLE = "The Numerical Solution of Parabolic and Elliptic Differential Equations",
       JOURNAL = "J. SIAM",
       VOLUME = "3",
       NUMBER = "1",
       YEAR = "1955",
       PAGES = "28--41",
       REFERRED = "[Shah1991AoA]."
}