@incollection{AST_1978__51__473_0,
     author = {\.Zo{\l}\k{a}dek, Henryk},
     title = {On bifurcations of orientation reversing diffeomorphisms of the circle},
     booktitle = {Syst\`emes dynamiques III - Varsovie},
     series = {Ast\'erisque},
     pages = {473--487},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {51},
     year = {1978},
     zbl = {0375.58012},
     language = {en},
     url = {http://www.numdam.org/item/AST_1978__51__473_0/}
}