@article{CMJ_2006__56_2_a16,
     author = {Song, Seok-Zun and Kang, Kyung-Tae and Jun, Young-Bae},
     title = {Perimeter preserver of matrices over semifields},
     journal = {Czechoslovak Mathematical Journal},
     pages = {515--524},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {2006},
     mrnumber = {2291752},
     zbl = {1164.15300},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/CMJ_2006__56_2_a16/}
}