Gamma-ray Blazars Within the First 2 Billion Years Author(s): Ackermann M., Ajello M., Baldini L., Ballet J., Barbiellini G., Bastieri D., Becerra Gonzalez J., Bellazzini R., Bissaldi E., Blandford R.D., Bloom E.D., Bonino R., Bottacini E., Bregeon J., Bruel P., Buehler R., Buson S., Cameron R.A., Caragiulo M., Caraveo P.A., Cavazzuti E., Cecchi C., Cheung C.C., Chiang J., Fegan S.J., Grenier I.A., Guillemot L., Horan D., Nuss E., Piron F. (Article) Published: -Astrophys.j., vol. 837 p.L5 (2017) Links openAccess full text : Ref Arxiv: 1702.04006 Ref INSPIRE: 1513273 DOI: 10.3847/2041-8213/aa5fff Ref. & Cit.: NASA ADS 22 citations |