@article{JRAM_1978__0303_0304_152068,
     author = {R. Mennicken and B. Sagraloff},
     title = {St\"orungstheoretische {Untersuchungen} \"uber {Semi-Fredhompaare} und -operatoren in lokalkonvexen {Vektorr\"aumen.} {II.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {389--436},
     publisher = {mathdoc},
     volume = {0303_0304},
     year = {1978},
     zbl = {0407.47008},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1978__0303_0304_152068/}
}