@article{JRAM_1963__212_150571,
     author = {Heinz K\"onig and J\"urgen Tobergte},
     title = {Reversibilit\"at und {Irreversibilit\"at} von linearen dissipativen {Systemen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {104--108},
     publisher = {mathdoc},
     volume = {212},
     year = {1963},
     zbl = {0112.07201},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1963__212_150571/}
}