@article{GDZPPN002363615,
title = {Construction of vacuum for the positive-energy representation and its Bose counterpart.},
journal = {Mathematica Scandinavica},
volume = {80},
year = {1997},
pages = {101-106},
zbl = {0907.46059},
url = {http://dml.mathdoc.fr/item/GDZPPN002363615}
}
Jensen, Ole Rask. Construction of vacuum for the positive-energy representation and its Bose counterpart.. Mathematica Scandinavica, Tome 80 (1997) pp. 101-106. http://gdmltest.u-ga.fr/item/GDZPPN002363615/