@article{JRAM_1994__454_153650,
     author = {Ph. Cl\'ement and A. Greven and J.-B. Baillon},
     title = {On a variational problem for an infinite particle system in a random medium.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {181--217},
     publisher = {mathdoc},
     volume = {454},
     year = {1994},
     zbl = {0814.49033},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1994__454_153650/}
}