@article{escidoc:0207, title = {{General decoupling procedure for expectation values of four-operator products in electron-phonon quantum kinetics}}, author = {Teeny, N. and F\"ahnle, M.}, journal = {{Journal of Physics A: Mathematical and Theoretical}}, volume = {46}, number = {38}, publisher = {IOP Pub.}, address = {London}, year = {2013}, doi = {10.1088/1751-8113/46/38/385302} }