TY  - RPRT
TI  - The impossibly early galaxy problem
AU  - Steinhardt, Charles L.
AU  - Capak, Peter
AU  - Masters, Dan
AU  - Speagle, Josh S.
PY  - 2016
DO  - 10.3847/0004-637x/824/1/21
UR  - https://www.osti.gov/biblio/22869017
ID  - 22869017
ER  -