Beasley, LeRoy B., Kang, Kyung-Tae, Song, Seok-Zun: Isolation numbers of integer matrices and their preservers. (English summary). - Bull. Korean Math. Soc. 57 (2020), no. 3, 535-545Orel, Marko (Avtor) preserver problemsmatrices with nonnegative coefficientsisolation number20212021-05-06 08:48:02Neznano16025UDK: 519.17ISSN pri članku: 2167-5163COBISS.SI-ID: 52532995sl