Petkov I. The boundary behavior of homeomorphisms of the class Wloc1,1 on a plane by prime ends . Dopov. Nac. akad. nauk Ukr. [Internet]. 2015 Jun. 28 [cited 2026 Jun. 20];(6):19-23. Available from: https://nasu-periodicals.org.ua/index.php/dp/article/view/14999