If the Wallpaper was formed glueless bubble and this place had to be cut, use a medical bag filled with glue (casein, PVA, etc.), it will help to inject it directly into the slot. Now there will be only press firmly exfoliated the area, removing excess glue with a soft cloth, allow to dry. Pear is easy to use and in the restoration of furniture.
Recommend to read
SPRING A BLUEPRINT
Currently in stores you can easily buy any necessary household products. At the same time, attention and creative efforts of Amateur designers more going on technically complex objects:...
DUET OF POLISH ATHLETES
This will meet not often. I must say that in my memory this is the first time Both champion's in one class (S6F) among boys and among adults the same team—Poland. But that's not all....