@article{ZNSL_2019_482_a9,
     author = {V. P. Il'in and G. Yu. Kazantsev},
     title = {Iterative solution of saddle-point {SLAEs}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {135--150},
     publisher = {mathdoc},
     volume = {482},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2019_482_a9/}
}