Hubert Grassmann Gert-Martin Greuel Bernd Martin Wolfgang Neumann Gerhard Pfister Wilfred Pohl Hans Schönemann Thomas Siebert On the Implementation of Standard Bases and Syzygies in SINGULAR. 235-249 1996 7 Appl. Algebra Eng. Commun. Comput. 3 http://link.springer.de/link/service/journals/00200/bibs/6007003/60070235.htm db/journals/aaecc/aaecc7.html#GrassmannGMNPPSS96