The condition of quasiperiodicity in imaginary time as a constraint at the functional integration and the time-dependent ZZ-correlator of the XX Heisenberg magnet.
@article{02187736,
title = {The condition of quasiperiodicity in imaginary time as a constraint at the functional integration and the time-dependent },
journal = {Zapiski Nauchnykh Seminarov POMI},
volume = {314},
year = {2004},
pages = {142-173},
zbl = {1083.82014},
language = {en},
url = {http://dml.mathdoc.fr/item/02187736}
}
Malyshev, K. The condition of quasiperiodicity in imaginary time as a constraint at the functional integration and the time-dependent . Zapiski Nauchnykh Seminarov POMI, Tome 314 (2004) pp. 142-173. http://gdmltest.u-ga.fr/item/02187736/