TY - JOUR T1 - On the diffuse gamma radiation at ultra-high energies, Eγ ≳ 1014 eV JO - Astrophysical Journal PY - 1990/02/01 AU - Berezinsky VS AU - Kudryavtsev VA ED - DO - DOI: 10.1086/168348 VL - 349 IS - 2 SP - 620 EP - 624 Y2 - 2024/12/23 ER -