@misc{Arolska_M._On,
 author={Arolska, M. and Bainov, Dimitur (1948- )},
 howpublished={online},
 publisher={nakł. UMCS},
 language={eng},
 type={artykuł},
 title={On Periodic Solutions of a Neutral Type Equation},
 keywords={matematyka, równania},
}