PACS:01.60.+q DOI:10.1070/PU1978v021n10ABEH005696 URL: https://ufn.ru/en/articles/1978/10/l/ Citation: Alferov Zh I, Velikhov E P, Vul B M, Prokhorov A M, Topchibashev M A, Tuchkevich V M "Gasan Mamed Bagir ogly Abdullaev (on his sixtieth birthday)" Sov. Phys. Usp.21 891–892 (1978)