@misc{Dragomir_Sever_Silvestru_Upper, author={Dragomir, Sever Silvestru}, howpublished={online}, publisher={Uniwersytet Marii Curie-Skłodowskiej}, language={pol}, language={ang}, type={artykuł}, title={Upper and lower bounds for an integral transform of positive operatorsin Hilbert spaces with applications}, keywords={chemia}, }