@article{MASLO_1999_49_2_a5,
     author = {\v{C}erve\v{n}ansk\'y, Jaroslav and \v{S}al\'at, Tibor},
     title = {Convergence preserving permutations of $\Bbb N$ and {Fr\'echet's} space of permutations of $\Bbb N$},
     journal = {Mathematica slovaca},
     pages = {189--199},
     year = {1999},
     volume = {49},
     number = {2},
     mrnumber = {1696942},
     zbl = {0957.40001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1999_49_2_a5/}
}