@misc{Mattson_Ruben_(1879–1929)_Om_1912,
 author={Mattson, Ruben (1879–1929)},
 editor={Nielsen, Niels. Ed.},
 copyright={Public Domain},
 address={Kjøobenhavn},
 address={Kristiania},
 howpublished={online},
 year={1912},
 publisher={Gyldendalske Boghandel Nordisk Forlag},
 language={dan},
 title={Om en klass hela funktioner af irregulär tillväxt},
 type={Text},
 URL={http://www.rcin.org.pl/Content/79957/PDF/WA35_104747_4567_Beretning-17.pdf},
}