Geodesic
Two-dimensional differential systems with arbitrary finite spectra of wandering exponent
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 5 (2017), pp. 14-21 
E. M. Shishlyannikov. Two-dimensional differential systems with arbitrary finite spectra of wandering exponent. Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 5 (2017), pp. 14-21. http://geodesic.mathdoc.fr/item/VMUMM_2017_5_a1/
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     author = {E. M. Shishlyannikov},
     title = {Two-dimensional differential systems with arbitrary finite spectra of wandering exponent},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {14--21},
     year = {2017},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2017_5_a1/}
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Voir la notice de l'article provenant de la source Math-Net.Ru

We construct a two-dimensional linear homogeneous differential system with piecewise continuous bounded coefficients whose set of all wanderability indicator values at various solutions consists of zero and previously given finite set of positive numbers, and all those values are essential.

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