1. To the Sobolev embedding theorem for the limiting exponent;Besov;Proc. Steklov Inst. Math.,2014
2. Sobolev Spaces on Domains;Burenkov,1998
3. A covering lemma with application to differentiability of measures and singular integral operators;de Guzman;Studia Math.,1970
4. Caratterizzazione delle trace sulla frontiera relative ad alcune classi di funzioni in n variabili;Gagliardo;Rend. Sem. Mat. Univ. Padova,1957
5. Traces of functions from weighted classes;Ginzburg;Izv. Vyssh. Uchebn. Zaved. Mat.,1984