APA (7th ed.) Citation

Helffer, B. (1988). Semi-Classical Analysis for the Schrödinger Operator and Applications. Springer. https://doi.org/10.1007/BFb0078115

Chicago Style (17th ed.) Citation

Helffer, Bernard. Semi-Classical Analysis for the Schrödinger Operator and Applications. Berlin [u.a.]: Springer, 1988. https://doi.org/10.1007/BFb0078115.

MLA (9th ed.) Citation

Helffer, Bernard. Semi-Classical Analysis for the Schrödinger Operator and Applications. Springer, 1988. https://doi.org/10.1007/BFb0078115.