Open AccessON SOME FUNCTIONAL EQUATIONS ASSOCIATED WITH SEMIGROUPS OF OPERATORS
Author(s) -
A. B. Buche,
A. T. Bharucha-Reid
Publication year - 1968
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.60.4.1170
Subject(s) - quality (philosophy) , risk analysis (engineering) , business , water quality , current (fluid) , environmental economics , environmental resource management , public economics , computer science , economics , engineering , ecology , philosophy , epistemology , electrical engineering , biology