Introduction : hybrid warfare in post-Soviet spaces, is there a logic behind?
Polese, Abel
;
Kevlihan, Rob
;
Beachain, Donnacha O.
Small wars & insurgencies
2016
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p. 361-366
http://dx.doi.org/10.1080/09592318.2016.1151660
The use of force against Ukraine and international law : jus ad bellum, jus in bello, jus post bellum
2018
https://doi.org/10.1007/978-94-6265-222-4