Open AccessOn Semi-Groups of Transformations in Hilbert Space
Author(s) -
Einar Hille
Publication year - 1938
Publication title -
proceedings of the national academy of sciences of the united states of america
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.24.3.159
Subject(s) - space (punctuation) , hilbert space , pure mathematics , mathematics , linguistics , philosophy