@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 = {Kapitza, H.: Truncated incomplete factorizations for conjugate-gradient methods in two and three dimensions. Applied Mathematics and Computation. 1988. vol. 28, 73-87.}}