Do you call it "to glue the wallpapers" as we do in Russian or do you use some different verb?
To add to Khan's answer, you can also use wallpaper as a verb in its own right:
We decided to wallpaper Annie's bedroom. (Cambridge Dictionary)
Mama and Bernice decided to wallpaper the living room and had a great time doing it, which was unusual, because they snarled at each other most of the time.
We want to wallpaper new plaster walls. What preparation is necessary?