https://lenta.ru/articles/2017/05/10/vicerally_may1/
http://www.ng.ru/faith/2017-05-10/1_6985_rpc.html
https://republic.ru/posts/82395
https://republic.ru/posts/82758
http://expert.ru/2017/05/10/ebrr/
Far from a breakthrough, the Astana agreement is a thinly veiled pretext to increase Russian and Iranian influence.
https://www.chathamhouse.org/expert/comment/putin-s-safe-zones-syria-are-nothing-kind
https://republic.ru/posts/82428