@article{ZNSL_1984_139_a4,
     author = {L. Yu. Kolotilina},
     title = {Some structural properties of inverse matrices},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {61--73},
     publisher = {mathdoc},
     volume = {139},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1984_139_a4/}
}