PACS:01.60.+q DOI:10.3367/UFNe.2017.06.038151 URL: https://ufn.ru/en/articles/2017/7/f/ 000412937700006 2017PhyU...60..743B Citation: Bolotovsky B M, Vasiliev M A, Voronov B L, Gurevich A V, Zybin K P, Kardashev N S, Nikishov A I, Solov’ev M A, Stishov S M, Tyutin I V, Fortov V E, Shabad A E "Vladimir Ivanovich Ritus (on his ninetieth birthday)" Phys. Usp.60 743–744 (2017)