Shimura's mass formula for an orthogonal group over real quadratic fields
Skew-Symmetric Vanishing Lattices and Their Monodromy Groups. II.
Strongly modular lattices with long shadow
This article classifies the strongly modular lattices with longest and second longest possible shadow.
Sur le principe de Hasse et l'approximation faible, et sur une hypothèse de Schinzel
Symplectic classification of quadratic forms, and general Mehler formulas.