Corrections

In the article by A. L. Kartuzhanskii, “On the Rearrangement of the Latent Image under the Photographic Action of Ionizing Particles,” published in DAN, vol. 109, no. 2, 1956, p. 286,

in formula (1), the upper limit of the sum should read: $k = n/n_0$;
in line 12, in the denominator, it should read: $(a - b)!$;
in line 24, it should read: $n' = n_0$.

In the article by B. A. Skopintsev, “The Oxidation–Reduction Potential of the Waters of the Black Sea,” published in DAN, vol. 108, no. 6, 1956: