N-dimensional affine Weyl-Heisenberg wavelets C. Kalisa, B. Torrésani (1993) Annales de l'I.H.P. Physique théorique
New affine coherent states based on elements of nonrenormalizable scalar field models. Klauder, John R. (2010) Advances in Mathematical Physics
Non-trapping condition for semiclassical Schrödinger operators with matrix-valued potentials. Jecko, Thierry (2005) Mathematical Physics Electronic Journal [electronic only]