@article{ZNSL_2018_472_a11,
     author = {L. Yu. Kolotilina},
     title = {A new subclass of the class of nonsingular $\mathcal H$-matrices and related inclusion sets for eigenvalues and singular values},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {166--178},
     publisher = {mathdoc},
     volume = {472},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2018_472_a11/}
}