@article{ZNSL_2020_496_a1,
     author = {Y. L. Gurieva and V. P. Il'in},
     title = {Conjugate direction methods for multiple solution of {SLAEs}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {26--42},
     publisher = {mathdoc},
     volume = {496},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2020_496_a1/}
}