@misc{Jensen_Alfred_(1859-1921)_Svenskarna,
 author={Jensen, Alfred (1859-1921)},
 howpublished={online},
 publisher={P. A. Norstedt & Söner},
 language={swe},
 type={książka},
 title={Svenskarna i Krakau 1655-57},
 keywords={historia, Potop szwedzki (1655-1660)},
}