Castro, M. H., Massa, E., & Peron, A. P. (2019). Characterization of Strict Positive Definiteness on products of complex spheres: Characterization of strict positive definiteness on products of complex spheres. Positivity, 23, 853. https://doi.org/10.1007/s11117-018-00641-5
Chicago Style (17th ed.) CitationCastro, Mario H., Eugenio Massa, and Ana Paula Peron. "Characterization of Strict Positive Definiteness on Products of Complex Spheres: Characterization of Strict Positive Definiteness on Products of Complex Spheres." Positivity 23 (2019): 853. https://doi.org/10.1007/s11117-018-00641-5.
MLA (9th ed.) CitationCastro, Mario H., et al. "Characterization of Strict Positive Definiteness on Products of Complex Spheres: Characterization of Strict Positive Definiteness on Products of Complex Spheres." Positivity, vol. 23, 2019, p. 853, https://doi.org/10.1007/s11117-018-00641-5.