Relative positions of the polar boundary of the outer electron radiation belt and the equatorial boundary of the auroral ovalRiazanteseva, Maria O.; Antonova, Elizaveta E.; Stepanova, Marina V.; Marjin, Boris V.; Rubinshtein, Ilia A.; Barinova, Vera O.; Sotnikov, Nikita V. · Annales Geophysicae · 2018