• Scale-type estimates for a generalized method of Lavrent'ev regularizationJanno, Jaan; Tautenhahn, UlrichJournal of inverse and ill-posed problems2003 / 2, p. 161-190 https://openurl.ebsco.com/EPDB%3Agcd%3A11%3A16564411/detailv2?sid=ebsco%3Aplink%3Ascholar&id=ebsco%3Agcd%3A10385172&crl=c