Results 271 to 280 of about 1,317,588 (284)
Some of the next articles are maybe not open access.
Projection operator approach to time-independent perturbation theory in quantum mechanics
American Journal of Physics, 2000exaly
Semigroups, Algebras and Operator Theory
Springer Proceedings in Mathematics and Statistics, 2015exaly
An Introduction to the Theory of Operators: III. Complex Operators
Proceedings of the London Mathematical Society, 1938openaire +2 more sources

