%0 Journal Article %A V. P. Il'in %T Parallel changing triangular iterative methods in Krylov subspaces %J Zapiski Nauchnykh Seminarov POMI %D 2020 %P 104-119 %V 496 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2020_496_a8/ %G ru %F ZNSL_2020_496_a8