For citations:

Marchevsky I.K., Puzikova V.V. The efficiency comparison of solvers for sparse linear algebraic equations systems based on the BiCGStab and FGMRES methods. Proceedings of the Institute for System Programming of the RAS (Proceedings of ISP RAS). 2018;30(1):195-214. (In Russ.) https://doi.org/10.15514/ISPRAS-2018-30(1)-13