APA (7th ed.) Citation

Helffer, B., & Nier, F. (2005). Hypoelliptic estimates and spectral theory for Fokker-Planck operators and Witten Laplacians. Springer. https://doi.org/10.1007/b104762

Chicago Style (17th ed.) Citation

Helffer, Bernard, and Francis Nier. Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians. Berlin: Springer, 2005. https://doi.org/10.1007/b104762.

MLA (9th ed.) Citation

Helffer, Bernard, and Francis Nier. Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians. Springer, 2005. https://doi.org/10.1007/b104762.