APA (7th ed.) Citation

Brezinski, C., & Sadok, H. (1991). Avoiding breakdown in the CGS algorithm. Numerical algorithms, 1(2), 199-206. https://doi.org/10.1007/BF02142321

Chicago Style (17th ed.) Citation

Brezinski, Claude, and Hassane Sadok. "Avoiding Breakdown in the CGS Algorithm." Numerical Algorithms 1, no. 2 (1991): 199-206. https://doi.org/10.1007/BF02142321.

MLA (9th ed.) Citation

Brezinski, Claude, and Hassane Sadok. "Avoiding Breakdown in the CGS Algorithm." Numerical Algorithms, vol. 1, no. 2, 1991, pp. 199-206, https://doi.org/10.1007/BF02142321.