APA (7th ed.) Citation

Xu, H. (1998). Approximations to fixed points of contraction semigroups in hilbert spaces. Numerical functional analysis and optimization, 19(1-2), 157-163. https://doi.org/10.1080/01630569808816821

Chicago Style (17th ed.) Citation

Xu, Hong-Kun. "Approximations to Fixed Points of Contraction Semigroups in Hilbert Spaces." Numerical Functional Analysis and Optimization 19, no. 1-2 (1998): 157-163. https://doi.org/10.1080/01630569808816821.

MLA (9th ed.) Citation

Xu, Hong-Kun. "Approximations to Fixed Points of Contraction Semigroups in Hilbert Spaces." Numerical Functional Analysis and Optimization, vol. 19, no. 1-2, 1998, pp. 157-163, https://doi.org/10.1080/01630569808816821.