. 1932 Mar;18(3):255–263. doi: 10.1073/pnas.18.3.255
Dynamical Systems of Continuous Spectra
B O Koopman
1,2, J v Neumann
1,2
B O Koopman
1Department of Mathematics, Columbia University
2Department of Mathematics, Princeton University
Find articles by B O Koopman
J v Neumann
1Department of Mathematics, Columbia University
2Department of Mathematics, Princeton University
Find articles by J v Neumann
1Department of Mathematics, Columbia University
2Department of Mathematics, Princeton University
PMCID: PMC1076203 PMID: 16587673