Assertion: testimony | /r/HasProperty | authentic
Facets:
Source sentences:
text: According to Heikinheimo, Mstislav Rostropovich (in 1979) considered that Testimony is authentic, as did Rudolf Barshai, Kirill Kondrashin, Yuri Lyubimov, Gidon Kremer, Emil Gilels, and Sviatoslav Richter.