APA (7th ed.) Citation

Amster, P., Keilhauer, G., & Mariani, M. C. A boundary value problem in the hyperbolic space. Wiley.

Chicago Style (17th ed.) Citation

Amster, P., G. Keilhauer, and M. C. Mariani. A Boundary Value Problem in the Hyperbolic Space. Wiley.

MLA (9th ed.) Citation

Amster, P., et al. A Boundary Value Problem in the Hyperbolic Space. Wiley.