• Matrix transforms into the speed-Maddox spaces over ultrametric fieldsNatarajan, Pinnangudi Narayanasubramanian; Aasma, AntsAnalele Stiintifice ale Universitatii Al I Cuza din Iasi - Matematica2025 / p. 71-79 https://doi.org/10.47743/anstim.2025.00006 https://www.math.uaic.ro/~annalsmath/pdf-uri_anale/F1(2025)/6%20F1%202025.pdf https://www.scopus.com/sourceid/19700175303 https://www.scopus.com/pages/publications/105009001510?origin=resultslist
• Matrix Transforms Into the Speed-Maddox Spaces Over Ultrametric Fields IINatarajan, Pinnangudi Narayanasubramanian; Aasma, AntsPublications de l Institut Mathematique2025 / p. 89-96 https://doi.org/10.2298/PIM2532089N http://elib.mi.sanu.ac.rs/files/journals/publ/138/publn138p89-96.pdf https://www.scopus.com/sourceid/12100156711 https://www.scopus.com/pages/publications/105029662447?origin=resultslist https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PUBL%20I%20MATH-BEOGRAD&year=2024 https://www.webofscience.com/wos/woscc/full-record/WOS:001645205500008