@misc{Szostok_Tomasz_On_2001,
 author={Szostok, Tomasz},
 volume={49},
 editor={Polska Akademia Nauk.},
 number={4},
 copyright={Rights Reserved - Restricted Access},
 address={Warsaw},
 howpublished={online},
 year={2001},
 publisher={Państ. Wydaw. Nauk.},
 language={eng},
 type={Text},
 title={On a generalized orthogonal additivity},
}