Ижил төстэй зүйлс: Introduction to the theory and application of differential equations with deviating arguments /
Сэдэв: Delay differential equations.
Сэдэв: Differential-difference equations.
Зохиогч: Ėlʹsgolʹt͡s, L. Ė. (Lev Ėrnestovich)
Зохиогч: Norkin, S. B. (Sim Borisovich)