Authors: NESHPOR YI STEPANYAN AA KALEKIN OP FOMIN VP CHALENKO NN SHITOV VG

Citation: Yi. Neshpor et al., BLAZAR 3C 66A - ANOTHER EXTRAGALACTIC SOURCE OF ULTRA-HIGH-ENERGY GAMMA-RAY PHOTONS, Astronomy letters, 24(2), 1998, pp. 134-138