@article{FPM_2005_11_3_a2,
     author = {M. Garcia and M. Magret and S. Tarragona},
     title = {A criterion for structural stability of quadruples of matrices related to singular linear systems},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {49--56},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2005_11_3_a2/}
}