@misc{Gallego_Francisco_Balibrea_On,
 author={Gallego, Francisco Balibrea and Bas, Antonio Linero},
 howpublished={online},
 publisher={Wydawnictwo Uniwersytetu Śląskiego},
 language={eng},
 title={On the periodic structure of the antitriangular maps on the unit square},
 type={artykuł},
 keywords={matematyka},
}