@article{ZNSL_2020_496_a8,
     author = {V. P. Il'in},
     title = {Parallel changing triangular iterative methods in {Krylov} subspaces},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {104--119},
     publisher = {mathdoc},
     volume = {496},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2020_496_a8/}
}