International Conference on Preconditioned Conjugate Gradient Methods, Axelsson, O., & Kolotilina, L. I. (1990). Preconditioned conjugate gradient methods: Proceedings of a conference held in Nijmegen, the Netherlands, June 19-21, 1989. Springer-Verlag.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Conference on Preconditioned Conjugate Gradient Methods, O. Axelsson, και L. IU Kolotilina. Preconditioned Conjugate Gradient Methods: Proceedings of a Conference Held in Nijmegen, the Netherlands, June 19-21, 1989. Berlin ; New York: Springer-Verlag, 1990.
Παραπομπή σε μορφή MLA (9th εκδ.)International Conference on Preconditioned Conjugate Gradient Methods, et al. Preconditioned Conjugate Gradient Methods: Proceedings of a Conference Held in Nijmegen, the Netherlands, June 19-21, 1989. Springer-Verlag, 1990.