1.
Wiśniewski D. Boundary value problems for a second-order elliptic equation in unbounded domains. Ann. Univ. Paedagog. Crac. Stud. Math. [Internet]. 2010 Dec. 18 [cited 2026 Oct. 31];9:87-122. Available from: https://studmath.uken.krakow.pl/article/view/13249