APA (7th ed.) Citation

Helffer, B., & Nier, F. (2005). Hypoelliptic estimates and spectral theory for Fokker-Planck operators and witten Laplacians Bernard Helffer, Francis Nier. Springer-Verlag GmbH.. 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 Bernard Helffer, Francis Nier. Berlin Heidelberg: Springer-Verlag GmbH., 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 Bernard Helffer, Francis Nier. Springer-Verlag GmbH., 2005. https://doi.org/10.1007/b104762.

Warning: These citations may not always be 100% accurate.