@article{TIMB_2008_16_2_a0,
     author = {A. V. Guminskaya},
     title = {On calculation of the relative index of zero fixed point in the degenerate case},
     journal = {Trudy Instituta matematiki},
     pages = {3--13},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2008_16_2_a0/}
}