@article{DMGAA_2006_26_2_a1,
     author = {Song, Seok-Zun and Jun, Young-Bae},
     title = {Zero-term rank preservers of integer matrices},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {155--161},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2006_26_2_a1/}
}