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@article{JMPA_1952_9_31__341_0, author = {Markus, Lawrence}, title = {On completeness of invariant measures defined by differential equations}, journal = {Journal de Math\'ematiques Pures et Appliqu\'ees}, pages = {341--353}, volume = {Ser. 9, 31}, year = {1952}, mrnumber = {51386}, zbl = {0047.29102}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JMPA_1952_9_31__341_0/} }
Markus, Lawrence. On completeness of invariant measures defined by differential equations. Journal de Mathématiques Pures et Appliquées, Série 9, Volume offert en hommage à M. Paul Montel, Tome 31 (1952), pp. 341-353. http://geodesic.mathdoc.fr/item/JMPA_1952_9_31__341_0/