@article{FAA_1972_6_1_a14,
     author = {V. M. Zakalyukin},
     title = {Algebraic calculation of the index of a singular point of a vector field},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {77--78},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1972_6_1_a14/}
}