Seifert, ChristianChristianSeifert2021-12-072021-12-072011Electronic Journal of Differential Equations, Vol. 2011 (2011), No. 111, pp. 1–9. ISSN: 1072-6691http://hdl.handle.net/11420/11156en1072-6691Electronic journal of differential equations201111119Southwest Texas State Univ.MathematikGordon type theorem for measure perturbationJournal Articlehttps://ejde.math.txstate.edu/Volumes/2011/111/seifert.pdfOther