Kvant 1970, No. 7

Articles

• [Preface to the article by V. G. Boltyansky and N. Kh. Rozov]2, 3, 4, 6, 7, 8, 9Opening ArticlesКолмогоров А. Н.
• Portraits of the Earth10, 11, 12, 13, 14, 15, 17, 19, 21, 22, 23, 24, 25Main ArticlesБерезин В. Н., Смолянский М. Л.
• The Case of the Method of Mathematical Induction37Main ArticlesНиколаев Е. Г.
• On the solution to Hilbert's tenth problem39, 40, 41, 42, 44Main ArticlesВарпаховский Ф. Л., Колмогоров А. Н.
• [Preface to the note by R. A. Reaumur]45MiscellanyСмородинский Я. А.
• “On the construction of thermometers”, 173045MiscellanyРеомюр Р. А.
• [Problem M31—M35; F36—F41]46-47Kvant Problem Book
• [Solutions to problems M1—M3; F1-F6]48, 49, 50, 52, 53, 54, 55, 56, 57, 58Kvant Problem Book
• Problems for 5th grade59-61Other
• What we know and don't know about gravity62-63Reviews and BibliographyЛешковцев В. А.
• Two scenes from life64Miscellany