Helffer, B., & Nier, F. (2005). Hypoelliptic estimates and spectral theory for Fokker-Plank operators and witten Laplacians. Springer-Verlag.
Stile di citazione ChicagoHelffer, Bernard, e Francis Nier. Hypoelliptic Estimates and Spectral Theory for Fokker-Plank Operators and Witten Laplacians. Germany: Springer-Verlag, 2005.
Citazione MLAHelffer, Bernard, e Francis Nier. Hypoelliptic Estimates and Spectral Theory for Fokker-Plank Operators and Witten Laplacians. Springer-Verlag, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.