Rapid variability of blazar 3C 279 during flaring states in 2013-2014 with joint Fermi-LAT, NuSTAR, Swift, and ground-based multiwavelength observations

Rapid variability of blazar 3C 279 during flaring states in 2013-2014 with joint Fermi-LAT, NuSTAR, Swift, and ground-based multiwavelength observations