APA (7th ed.) Citation

Sabelfeld, K. K., & Shalimova, I. A. (1997). Spherical means for PDEs. VSP.

Chicago Style (17th ed.) Citation

Sabelfeld, K. K., and I. A. Shalimova. Spherical Means for PDEs. Utrecht, the Netherlands: VSP, 1997.

MLA (9th ed.) Citation

Sabelfeld, K. K., and I. A. Shalimova. Spherical Means for PDEs. VSP, 1997.