KELL' 154 



Bibliography: 



On the solvability and stability of the problem of Dirichlet. 

 Uspekhi Mat. Nauk, 1940, #8. 



Shimmy of the front wheel of a three-wheeled chassis, 1945. 

 On the presentation of functions of a complex variable by 

 series of polynomials in closed domains. Mat. Sbornik, 

 1945, 16, #3. 



On the proper meanings and proper functions of some class- 

 es of non- self -conjugate equations. Doklady Akad. Nauk 

 S.S.S.R., 1951, 77, #1. 



Vibrations in the air flow of a braced wing. Works of the 

 Central Aerohydrodynamic Institute, #357. Moscow: 1938. 



Office: President, USSR Academy of Sciences 



Leninskii Prospekt, 14 

 Moscow, USSR 



KELL', NIKOLAI GEORGIEVICH (Geodesy and Photogrammetry 

 Scientist) 

 N. G. Keir was born January 20, 1883. In 1915 he graduated 

 from Petrograd (Leningrad) Mining Institute, and in 1923 he 

 became a professor at this Institute. He worked as a topograph- 

 er in 1908-1911 on the Kamchatka expedition of the Russian 

 Geographical Society, and in 1922 he was made a member of 

 this society. In 1921 he was made Head of the Chair of Geodesy 

 at the Leningrad Mining Institute. In 1917-1922, Kell' worked 

 at the Ural Mining Institute in Sverdlovsk and in 1919-1920 was 

 the Director. In 1947 he became Chief of the Laboratory on 

 Aeromethods, and in 1958 he was chairman of the Joint Com- 

 mittee on Aerial Survey. Since 1946, he has been a Correspond- 

 ing Member of the U.S.S.R. Academy of Sciences. 



Kell's researches are in geodesy, photogrammetry, develop- 

 ment of aerial photogrammetric methods and their application 

 in geographic and geological mapping. 



As of 1961, Keir was Chairman of the Interdepartmental 

 Commission for Aerial Surveys. 

 Bibliography: 



Map of Kamchatka Volcanos. Leningrad: 1928. 

 Advanced Geodesy and Geodesic Works, Part 1-2. Lenin- 

 grad: 1932-33. 



Photography and Photogrammetry. Leningrad-Moscow: 

 1937. 



Graphic Method in Work with Errors, and Laws (Distri- 

 bution). Moscow-Leningrad: 1948. 



