Unfoldings and APR-tilts. (English)
J. Algebra 164, No.3, 614-631 (1994).
1
Tits form numbers. (English)
Commun. Algebra 17, No.9, 2197-2222 (1989).
2
Stratification of finite Auslander-Reiten quivers without oriented cycles. (English)
J. Lond. Math. Soc., II. Ser. 31, 224-230 (1985).
3
On maximal gradings of simply connected algebras. (English)
Tsukuba J. Math. 8, 319-331 (1984).
4