@第{zbMATH03094476条，作者={Berezanskij，Yu.M.}，标题={{\“U}ber die{Spektralmatrix}einer partiallen{Differenzenglechung}}，FJournal＝{Doklady Akademii Nauk SSSR.Novaya Seriya}，日志={Dokl.Akad.Nauk SSSR，n.Ser.}，ISSN={0002-3264}，体积={97}，页码={573--576}，年份＝{1954}，语言={俄语}，zbMATH={3094476}，Zbl={0059.07903}}