@article{10_4153_CMB_1997_053_2,
     author = {Kaczynski, Tomasz and Mrozek, Marian},
     title = {Stable {Index} {Pairs} for {Discrete} {Dynamical} {Systems}},
     journal = {Canadian mathematical bulletin},
     pages = {448--455},
     year = {1997},
     volume = {40},
     number = {4},
     doi = {10.4153/CMB-1997-053-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1997-053-2/}
}