@book{11111, author = {Bhatia, Nam Parshad. and Szegö, G. P.}, title = {Stability theory of dynamical systems /}, publisher = {Springer,}, year = {c2002.}, address = {Berlin ;}, note = {"Reprint of the 1970 edition."}, url = {http://www.loc.gov/catdir/enhancements/fy0813/2001055041-b.html} }