APA (7th ed.) Citation

Gragg, W. B., & Reichel, L. (1990). A divide and conquer method for unitary and orthogonal eigenproblems. Numerische Mathematik, 57(1), 695-718. https://doi.org/10.1007/BF01386438

Chicago Style (17th ed.) Citation

Gragg, W. B., and L. Reichel. "A Divide and Conquer Method for Unitary and Orthogonal Eigenproblems." Numerische Mathematik 57, no. 1 (1990): 695-718. https://doi.org/10.1007/BF01386438.

MLA (9th ed.) Citation

Gragg, W. B., and L. Reichel. "A Divide and Conquer Method for Unitary and Orthogonal Eigenproblems." Numerische Mathematik, vol. 57, no. 1, 1990, pp. 695-718, https://doi.org/10.1007/BF01386438.