@article{ZNSL_2003_304_a6,
     author = {P. C\'egielski},
     title = {Destinies and decidability},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {121--127},
     publisher = {mathdoc},
     volume = {304},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2003_304_a6/}
}