For citations:

Neusypin K.A., Kai Sh., Selezneva M.S. On Qualitative Characteristics of the State Variable Observability in Linear Time-Varying Models of Inertial Navigation Systems. Mekhatronika, Avtomatizatsiya, Upravlenie. 2018;19(5):346-354. (In Russ.) https://doi.org/10.17587/mau.19.346-354