A Ukraine presidential adviser says Ukraine is ready to resume direct peace talks with Russia in Istanbul on Monday but insists that the Kremlin provide a promised memorandum setting out its position on ending the war.

The Kremlin expects Russia and Ukraine to discuss the list of conditions for a ceasefire in the war in Ukraine next week in Istanbul, its spokesman said on Friday, praising the U.S. role in mediating the talks.

The Kremlin announced Friday that it expects both Russian and Ukrainian draft peace memorandums to be reviewed during upcoming negotiations with Ukraine in Istanbul. Kremlin Spokesman Dmitry Peskov said the Russian delegation is scheduled to depart for Istanbul and will be ready to begin the next round of talks with Ukraine on Monday morning.