@misc{Campbell_Douglas_M._(1943-_)_The,
 author={Campbell, Douglas M. (1943- )},
 howpublished={online},
 publisher={nakł. UMCS},
 language={eng},
 type={artykuł},
 title={The Argument of the Derivative of Linear-Invariant Families of Finite Order and the Radius of Close-to-Convexity},
 keywords={matematyka},
}