@article{SJL_1969-1970___2_37_0,
     author = {Knill, Ronald J.},
     title = {A local fixed point index for compact maps with non compact domains},
     journal = {S\'eminaire sur les \'equations aux d\'eriv\'ees partielles},
     pages = {37--40},
     year = {1969-1970},
     publisher = {Coll\`ege de France},
     number = {2},
     language = {en},
     url = {https://www.numdam.org/item/SJL_1969-1970___2_37_0/}
}