@article{Dirac1953888,
title = {The {Lorentz} transformation and absolute time},
journal = {Physica },
volume = {19},
number = {1-–12},
pages = {888--896},
year = {1953},
doi = {10.1016/S0031-8914(53)80099-6},
author = {P. A. M. Dirac}
}
@article{Feynman1963118,
title = {The theory of a general quantum system interacting with a linear dissipative system},
journal = {Annals of Physics },
volume = {24},
pages = {118--173},
year = {1963},
doi = {10.1016/0003-4916(63)90068-X},
author = {R. P Feynman and F. L {Vernon Jr.}}
}