Observations of the Type U Burst in within 10–70 MHz with the GURT Radio Telescope - V. V. Dorovskij; V. N. Melnik; A. A. Konovalenko; I. N. Bubnov; A. A. Gridin; N. V. Shevchuk; I. S. Falkovich; A. A. Koval; B. P. Rutkevich; A. P. Reznik; Kh. O. Ruker; M. Panchenko; et al. (Radio Physics and Radio Astronomy, 2013)