Stability of Runge-Kutta methods in the numerical solution of equation u'(t)=au(t)+a0u([t])+a1u([t-1]).

Zhanwen Yang Mingzhu Liu Minghui Song Stability of Runge-Kutta methods in the numerical solution of equation u'(t)=au(t)+a0u([t])+a1u([t-1]). 37-50 2005 162 Applied Mathematics and Computation 1 http://dx.doi.org/10.1016/j.amc.2003.12.081 db/journals/amc/amc162.html#YangLS05