Lahti P, Li X, Wang Z. Traces of Newtonian-Sobolev, Hajlasz-Sobolev, and BV functions on metric spaces. Annali Scienze [Internet]. 2021Sep.27 [cited 2025May26];22(3):1353-8. Available from: http://20.103.181.36/index.php/annaliscienze/article/view/868