On the Structure of a Graded Ring of Automorphic Forms on the 2-Dimensional Complex Ball. H.L. Resnikoff; Y.-S. Tai — 1978 Mathematische Annalen
On the Structure of a Graded Ring of Automorphic Forms on the 2-Dimensional Complex Ball. II. H.L. Resnikoff; Y.-S. Tai — 1981 Mathematische Annalen