@article{ZNSL_2009_367_a6,
     author = {L. Yu. Kolotilina},
     title = {Bounds for the inverses of $PM$- and $PH$-matrices},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {75--109},
     publisher = {mathdoc},
     volume = {367},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2009_367_a6/}
}