1. Golod homomorphisms;Avramov,1986
2. Infinite free resolutions;Avramov,1998
3. Les anneaux locaux á relations monomiales ont des séries de Poincaré–Betti rationnelles;Backelin;C. R. Acad. Sci. Paris,1982
4. Poincaré series of monomial rings;Berglund;J. Algebra,2006