@article{TM_1975_136_a22,
     author = {K. Hepp},
     title = {On phase transitions in open systems far from thermal equilibrium},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {323--332},
     year = {1975},
     volume = {136},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM_1975_136_a22/}
}