中国科学院数学与系统科学研究院期刊网
SOLVING BOUNDARY VALUE PROBLEMS FOR THE MATRIX EQUATION $X^{(2)}(t)-AX(t)=F(t)$
Lucas Jodar, E. Navarro
SOLVING BOUNDARY VALUE PROBLEMS FOR THE MATRIX EQUATION $X^{2}t-AXt=Ft$
Lucas Jodar, E. Navarro
Journal of Computational Mathematics . 1991, (4): 305 -313 .