1. Anneaux d’invariants d’anneaux de polynômes en caractéristique p;Bertin;C. R. Acad. Sci. Paris Sér. A,1967
2. Algebra structures for nite free resolutions and some structure theorems for ideals of codimension 3;Buchsbaum;Amer. J. Math.,1977
3. Algebraische Eigenschaften der lokalen Ringe in den Spitzen der Hilbertschen Modulgruppen;Freitag;Invent. Math.,1974
4. Non-Cohen–Macaulay symbolic blow-ups for space monomial curves and counterexamples to Cowsik’s question;Gôto;Proc. Amer. Math. Soc.,1994
5. Grayson, D.R., Stillman, M.E., Macaulay2, a software system for research in algebraic geometry, (http://www.math.uiuc.edu/Macaulay2/).