@misc{Stankiewicz_Jan_Some,
 author={Stankiewicz, Jan and Waniurski, Józef},
 howpublished={online},
 publisher={nakł. UMCS},
 language={eng},
 type={artykuł},
 title={Some Classes of Functions Subordinate to Linear Transformation and theirApplications},
 keywords={matematyka},
}