<<No 38 : 31 December 1975>> * Before Kovalyov & Tverdokhlebov Trials Khronika Press has issued a volume In Defence of Sergei Kovalyov (New York, 1975). It contains a short biography of Kovalyov (feature photo) and two letters: one, dated 27 March 1975, from Yury Golfand, D.Sc. (Physics & Mathematics); the other, dated September 1975, … Continue reading Pre-Tverdokhlebov & Kovalyov Trials, ’75 (38.2)