@article{IVM_1980_12_a3,
     author = {A. M. Leibo},
     title = {Topological structure of a~type of unstable fixed point of a~mapping of a~plane into a~plane},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {20--29},
     publisher = {mathdoc},
     number = {12},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1980_12_a3/}
}