Media type: E-Article Title: Energy estimates for the Cauchy problem of Klein–Gordon-type equations with non-effective and very fast oscillating time-dependent potential Contributor: Hirosawa, Fumihiko; Nunes do Nascimento, Wanderley imprint: Springer Science and Business Media LLC, 2018 Published in: Annali di Matematica Pura ed Applicata (1923 -) Language: English DOI: 10.1007/s10231-017-0705-9 ISSN: 1618-1891; 0373-3114 Keywords: Applied Mathematics Origination: Footnote: