PACS:01.60.+q DOI:10.1070/PU2001v044n04ABEH000955 URL: https://ufn.ru/en/articles/2001/4/d/ 000170938700005 Citation: Volkov B A, Gurevich A V, Ginzburg V L, Kopaev Yu V, Krokhin O N, Ritus V I, Silin V P, Fainberg V Ya, Feinberg E L, Chernavskii D S "Leonid Veniaminovich Keldysh (on his seventieth birthday)" Phys. Usp.44 415–416 (2001)