Cherkasova, M. P.. "1. The solutions of systems of linear equations". Collected Problems in Numerical Methods, Berlin, Boston: De Gruyter, 1972, pp. 20-45. https://doi.org/10.1515/9783112588802-004
Cherkasova, M. (1972). 1. The solutions of systems of linear equations. In Collected Problems in Numerical Methods (pp. 20-45). Berlin, Boston: De Gruyter. https://doi.org/10.1515/9783112588802-004
Cherkasova, M. 1972. 1. The solutions of systems of linear equations. Collected Problems in Numerical Methods. Berlin, Boston: De Gruyter, pp. 20-45. https://doi.org/10.1515/9783112588802-004
Cherkasova, M. P.. "1. The solutions of systems of linear equations" In Collected Problems in Numerical Methods, 20-45. Berlin, Boston: De Gruyter, 1972. https://doi.org/10.1515/9783112588802-004
Cherkasova M. 1. The solutions of systems of linear equations. In: Collected Problems in Numerical Methods. Berlin, Boston: De Gruyter; 1972. p.20-45. https://doi.org/10.1515/9783112588802-004