↑ Mora, Teo; Robbiano, Lorenzo (1988). "The Gröbner fan of an ideal" . Journal of Symbolic Computation . 6 ( 2–3 ): 183–208 . doi : 10.1016/S0747-7171(88)80042-7 .
↑ Bayer, David; Morrison, Ian (1988). "Standard bases and geometric invariant theory I. Initial ideals and state polytopes" . Journal of Symbolic Computation . 6 ( 2–3 ): 209–217 . doi : 10.1016/S0747-7171(88)80043-9 .