Swarztrauber, P., & Sweet, R. (1975). Efficient FORTRAN subprograms for the solution of elliptic partial differential equations. National Center for Atmospheric Research.
Chicago-referens (17:e uppl.)Swarztrauber, Paul, och Roland Sweet. Efficient FORTRAN Subprograms for the Solution of Elliptic Partial Differential Equations. Boulder, Colorado: National Center for Atmospheric Research, 1975.
MLA-referens (9:e uppl.)Swarztrauber, Paul, och Roland Sweet. Efficient FORTRAN Subprograms for the Solution of Elliptic Partial Differential Equations. National Center for Atmospheric Research, 1975.
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