@article{1103904393,
author = {Demoen, B. and Verbeure, A.},
title = {Homogeneous perturbed classical states and equilibrium conditions},
journal = {Comm. Math. Phys.},
volume = {58},
number = {1},
year = {1978},
pages = { 191-200},
language = {en},
url = {http://dml.mathdoc.fr/item/1103904393}
}
Demoen, B.; Verbeure, A. Homogeneous perturbed classical states and equilibrium conditions. Comm. Math. Phys., Tome 58 (1978) no. 1, pp. 191-200. http://gdmltest.u-ga.fr/item/1103904393/