@ARTICLE{Tejado_I._Economic_2018,
 author={Tejado, I. and Valério, D. and Pérez, E.},
 volume={66},
 number={No 4},
 journal={Bulletin of the Polish Academy of Sciences Technical Sciences},
 pages={455-465},
 howpublished={online},
 year={2018},
 type={Artykuły / Articles},
 title={Economic growth in the European Union modelled with fractional derivatives: first results},
 URL={http://ochroma.man.poznan.pl/Content/108418/PDF/10-00705-kolor.pdf},
 keywords={economic growth, Europe, fractional calculus},
}