• Matrix transforms of speed-summable and speed-bounded sequencesAasma, Ants; Natarajan, Pinnangudi N.Facta Universitatis, Series : Mathematics and Informatics2023 / p. 805-816 https://doi.org/10.22190/FUMI230614052A
  • Matrix transforms of subspaces of summability domains of normal matrices determined by speedAasma, Ants; Natarajan, Pinnangudi N.Facta Universitatis, Series : Mathematics and Informatics2022 / p. 773-782 http://casopisi.junis.ni.ac.rs/index.php/FUMathInf/article/view/10761