Relationship between time-invariant and time-variant filtering algorithms for a class of problems of navigation data processing. - Alexei V. Loparev; Oleg A. Stepanov; Igor B. Chelpanov (CDC, 2012)

Time-and-frequency approach to navigation information processing. - Oleg A. Stepanov; Alexei V. Loparev; Igor B. Chelpanov (Autom. Remote. Control., 2014)