(1986). The spectral theorem / Henry Helson.
Lua i Stíl Chicago (17ú heag.)The Spectral Theorem / Henry Helson. 1986.
Lua MLA (9ú heag.)The Spectral Theorem / Henry Helson. 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.