@article{TM_2023_321_a5,
     author = {G. Giorgadze and G. Khimshiashvili},
     title = {On the {Index} of the {Gradient} of a {Real} {Invertible} {Polynomial}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {94--107},
     publisher = {mathdoc},
     volume = {321},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2023_321_a5/}
}