Kuznetsov, Y.A.Y.A.KuznetsovFinogenov, S.A.S.A.FinogenovSupalov, A.V.A.V.Supalov2022-03-072022-03-071993https://publica.fraunhofer.de/handle/publica/287371en004005006Fictitious domain methods for 3D elliptic problemsreport