@misc{Szostok_Tomasz_On_2001, author={Szostok, Tomasz}, volume={49}, number={4}, editor={Polska Akademia Nauk.}, 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}, }