Ивашкин В.В. A model of orbiting spacecraft motion near cometary nucleus.1 / В.В.Ивашкин, 1998. - 32 p. - Текст : непосредственный.
Ивашкин В.В. Determination of optimal trajectories for the space mission to near-Earth asteroid with using of low-thrust engine / В.В.Ивашкин,А.В.Чернов, 1997. - 27 p. - Текст : непосредственный.