Multi-frequency VLBA study of the blazar S5 0716+714 during the active state in 2004 - I. Inner jet kinematicsE. A. Rastorgueva, K. Wiik, T. Savolainen, L. O. Takalo, E. Valtaoja, Y. N. Vetukhnovskaya and K. V. SokolovskyA&A, 494 2 (2009) L5-L8DOI: https://doi.org/10.1051/0004-6361:200811425
