中国科学院数学与系统科学研究院期刊网
AMS
Some Conditions for Matrices over an Incline To Be Invertible and General Linear Group on an Incline
Song Chol HAN, Hong Xing LI
Acta Mathematica Sinica . 2005, (5): 1093 -1098 .  DOI: 10.1007/s10114-004-0497-x