CC-BY-NC-NDĐolović, IvanaDragan S. Đorđević2023-12-282023-12-2820230351-9406http://elib.mi.sanu.ac.rs/pages/browse_issue.php?db=zr&rbr=28https://repozitorijum.tfbor.bg.ac.rs/handle/123456789/5537enA note on matrix transformations and some classes of operatorsbook