Dyfyniad APA

Helffer, B., & Nier, F. (2005). Hypoelliptic estimates and spectral theory for Fokker-Plank operators and witten Laplacians. Springer-Verlag.

Dyfyniad Arddull Chicago

Helffer, Bernard, and Francis Nier. Hypoelliptic Estimates and Spectral Theory for Fokker-Plank Operators and Witten Laplacians. Germany: Springer-Verlag, 2005.

Dyfyniad MLA

Helffer, Bernard, and Francis Nier. Hypoelliptic Estimates and Spectral Theory for Fokker-Plank Operators and Witten Laplacians. Springer-Verlag, 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.