@misc{Goebel_Kazimierz_(1940-_)_Adam, author={Goebel, Kazimierz (1940- ) and Krzyż, Jan G. (1923-2009)}, howpublished={online}, publisher={nakł. UMCS}, language={eng}, type={artykuł}, title={Adam Bielecki - a biography}, keywords={matematyka}, }