"just" means what the international community decides nearly every year to be "just": Right to return or compensation. Its's their right and up to them. And UNGAR 273 refers to the borders in which Israel declared independance. the partition borders of UNGAR 181.
Hundreds protest by Tel Aviv club where 'rape video' was filmed calling for club's closure (Haaretz)
from the article: Israel is choosing regional isolation, not alliances