@article{JRAM_1982__331_152413,
     author = {Gustaf Gripenberg},
     title = {Stability of periodic solutions of some integral equations.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {16--31},
     publisher = {mathdoc},
     volume = {331},
     year = {1982},
     zbl = {0468.45009},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1982__331_152413/}
}