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Contributions to this document
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Besides William Stein, contributions to this part of the
documentation were made by Gary Zablackis.

    [CF] {CF} A. Campillo and J. I. Farran, *Symbolic Hamburger-Noether
    expressions of plane curves and applications to AG codes*, Math.
    Comp., vol 71(2002)1759-1780.
    http://www.ams.org/mcom/2002-71-240/S0025-5718-01-01390-4/home.html

    [CO] {CO} H. Cohen, J. Oesterlé, *Dimensions des espaces de formes
    modulaires*, p. 69-78 in Modular functions in one variable VI.
    Lecture Notes in Math. 627, Springer-Verlag, NewYork, 1977.

    [GAP] {GAP4} The GAP Group,
    *GAP - Groups, Algorithms, and Programming,  Version 4.4*; 2005,
    https://www.gap-system.org

    [G] {G} Solomon Golomb, *Shift register sequences*, Aegean Park
    Press, Laguna Hills, Ca, 1967

    [Sing] {GPS05} G.-M. Greuel, G. Pfister, and H. Schönemann.
    Singular 3.0. A Computer Algebra System for Polynomial
    Computations. Centre for Computer Algebra, University of
    Kaiserslautern (2005). https://www.singular.uni-kl.de

    [Pari] {PARI2} PARI/GP, version 2.1.5, Bordeaux, 2004,
    https://pari.math.u-bordeaux.fr/

    [M] {M} James L. Massey, *Shift-Register Synthesis and BCH Decoding*,
    IEEE Trans. on Information Theory, vol. 15(1), pp. 122-127, Jan
    1969.

    [SAGE] {SJ} William Stein, David Joyner, SAGE: System for Algebra
    and Geometry Experimentation, Comm. Computer Algebra 39(2005)61-64.
    (SIGSAM Bull. June 2005) https://sagemath.org/
    https://trac.sagemath.org/