Hindustan Pub. Corp. Kongre Kütüphanesi kontrol numarası 68-17528. Saichev, A.I. ve Woyczyński, W.A. (1996). Distributions in the physical and engineering sciences, Volume 1. Birkhaüser. ISBN 0-8176-3924-1; Tucciarone, John (Ocak 1973). "The development of the theory of summable divergent series from 1880 to 1925".