Lie Algebra Homology and the Macdonald-kac Formulas. James Lepowsky; Howard Garland — 1976 Inventiones mathematicae
Hyperbolic Lie Algebras and Quasi-Regular Cusps on Hilbert Modular Surfaces. James Lepowsky; Robert V. Moody — 1979 Mathematische Annalen
The structure of standard modules. II. The case A1(1), principal gradation. James Lepowsky; Robert Lee Wilson — 1985 Inventiones mathematicae
The structure of standard modules, I: Universal algebras and the Rogers-Ramanujan identities. James Lepowsky; Robert L. Wilson — 1984 Inventiones mathematicae