@misc{Laskowska_Magdalena_Analiza_2009, author={Laskowska, Magdalena}, copyright={Creative Commons Attribution BY 4.0 license}, address={Warszawa}, journal={Książka = Book}, howpublished={online}, year={2009}, publisher={Instytut Badań Systemowych. Polska Akademia Nauk}, publisher={Systems Research Institute. Polish Academy of Sciences}, language={pol}, abstract={It's in the nature of man to split the set of objects that function in his life. He's not able to comprehend the magnitude of information that he must process, without grouping them together. There are many ways of grouping. Good example is rough and fuzzy clustering. Discussing them and their practical appliance in database systems is what this article will be dedicated to.}, title={Analiza systemowa w finansach i zarządzaniu * Wybrane problemy * Ostre i rozmyte grupowanie danych oraz jego zastosowania}, type={Text}, URL={http://rcin.org.pl/Content/198346/PDF/KS-2009-04-T11P14.pdf}, }