SpringerLink (Online service), Retakh, V., Singer, I. M., & Etingof, P. The unity of mathematics: In honor of the ninetieth birthday of I.M. Gelfand.
Lua i Stíl Chicago (17ú heag.)SpringerLink (Online service), Vladimir Retakh, I. M. Singer, agus Pavel Etingof. The Unity of Mathematics: In Honor of the Ninetieth Birthday of I.M. Gelfand.
Lua MLA (8ú heag.)SpringerLink (Online service), et al. The Unity of Mathematics: In Honor of the Ninetieth Birthday of I.M. Gelfand.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.