Antzeko izenburuak: Introduction to the theory and application of differential equations with deviating arguments /
Gaia: Delay differential equations.
Gaia: Differential-difference equations.
Egilea: Ėlʹsgolʹt͡s, L. Ė. (Lev Ėrnestovich)
Egilea: Norkin, S. B. (Sim Borisovich)