Kazakhstan University Of Innovation And Telecommunication Systems 1

1. A METHOD FOR ACCOUNTING THE IMPACT OF ERRORS ON THE QUALITY OF ANALYTICAL INSTRUMENTS AND OPTIMAL CONTROL SYSTEMS
2. Correction of the Mathematical Method for Studying a Cathode Lens with Two Planes of Symmetry
3. To the Issue of the Socio-Demographic Situation of the Russian Population on the Territory of Western Kazakhstan (late 19th – early 20th centuries)
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