@misc{Ławrynowicz_Julian_On,
 author={Ławrynowicz, Julian},
 howpublished={online},
 publisher={nakł. UMCS},
 language={eng},
 type={artykuł},
 title={On the Parametrization of Quasiconformal Mappings in an Annulus},
 keywords={matematyka},
}