@article{ZNSL_2019_482_a13,
     author = {L. Yu. Kolotilina},
     title = {Some bounds for inverses involving matrix sparsity pattern},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {201--219},
     publisher = {mathdoc},
     volume = {482},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2019_482_a13/}
}