PACS:01.60.+q DOI:10.1070/PU2007v050n07ABEH003474 URL: https://ufn.ru/en/articles/2007/7/i/ Citation: Bolotovskii B M, Vasil’ev M A, Voronov B L, Ginzburg V L, Gurevich A V, Kardashev N S, Komar A A, Keldysh L V, Nikishov A I, Solov’ev M A, Tyutin I V, Shabad A E "Vladimir Ivanovich Ritus (on his eightieth birthday)" Phys. Usp.50 763–765 (2007)