@article{701252,
     title = {Szemer\'edi theorem implies Furnsternberg theorem},
     booktitle = {Abstracta. 9th Winter School on Abstract Analysis},
     series = {GDML\_Books},
     publisher = {Czechoslovak Academy of Sciences},
     address = {Praha},
     year = {1981},
     pages = {192-194},
     url = {http://dml.mathdoc.fr/item/701252}
}

Volný, Dalibor. Szemerédi theorem implies Furnsternberg theorem, dans Abstracta. 9th Winter School on Abstract Analysis, GDML_Books,  (1981), pp. 192-194. http://gdmltest.u-ga.fr/item/701252/