@article{IM2_2004_68_2_a2,
     author = {R. R. Gontsov},
     title = {Refined {Fuchs} inequalities for systems of linear differential equations},
     journal = {Izvestiya. Mathematics },
     pages = {259--272},
     publisher = {mathdoc},
     volume = {68},
     number = {2},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2004_68_2_a2/}
}