@misc{kapitza_truncated_incomplete_1988, author={Kapitza, H.}, title={Truncated incomplete factorizations for conjugate-gradient methods in two and three dimensions}, year={1988}, howpublished = {journal article}, note = {Online available at: \url{} (DOI). Kapitza, H.: Truncated incomplete factorizations for conjugate-gradient methods in two and three dimensions. Applied Mathematics and Computation. 1988. vol. 28, 73-87.}}