@article{1092121,
  author = {S. Sawada-Satoh and K. Akiyama and K. Niinuma and H. Nagai and M. Kino and F. D{\textquoteright}Ammando and S. Koyama and K. Hada and M. Orienti and M. Honma and K.~M. Shibata},
  title = {Apparent Inward Motion of the Parsec-Scale Jet in the BL Lac Object OJ287 during the 2011-2012 γ-ray Flares},
  year = {2015},
  journal = {Publication of Korean Astronomical Society},
  volume = {30},
  pages = {429-432},
  doi = {10.5303/PKAS.2015.30.2.429},
  language = {eng},
}