@misc{Szybkie_Andrzej_Weryfikacja_2022,
 author={Szybkie, Andrzej},
 copyright={Copyright by Wydawnictwo Uniwersytetu Wrocławskiego sp. z o.o., Wrocław 2022},
 copyright={Copyright by CNS},
 address={Wrocław},
 howpublished={online},
 year={2022},
 publisher={Wydawnictwo Uniwersytetu Wrocławskiego},
 language={pol},
 abstract={The author describes the issue of retroactive determination of the applicable legislationon the basis of EU law on the coordination of social security systems. He proposes the introduction of legal protection for employees against the effect of “disappearing insurance periods” and the lack of applicable legislation of any EU member state in a given period of time.},
 title={Weryfikacja ustawodawstwa właściwego a ochrona pracownika migrującego na gruncie prawa Unii Europejskiej o koordynacji systemów zabezpieczenia społecznego},
 type={text},
 doi={https://doi.org/10.19195/0137-1134.130.5},
 keywords={applicable legislation, EU social security law, verification of applicable legislation, migrant worker, disappearing insurance periods},
}